anchor.diff:                      }
                   }
               }
  +s
               
   # Group Releases
   
  
positive.code: 
      + Body
      
  
              {
                "matches": [
                  {
                    "term": "Asthma",
                    "conceptId": "195967001",
                    "active": true,
                    "conceptActive": true,
                    "fsn": "Asthma (disorder)",
                    "module": "900000000000207008",
                    "definitionStatus": "Primitive"
                  },
                  {
                    "term": "Asthmatic",
                    "conceptId": "195967001",
                    "active": true,
                    "conceptActive": true,
                    "fsn": "Asthma (disorder)",
                    "module": "900000000000207008",
                    "definitionStatus": "Primitive"
                  },
                  {
                    "term": "FH: Asthma",
                    "conceptId": "160377001",
                    "active": true,
                    "conceptActive": true,
                    "fsn": "Family history: Asthma (situation)",
                    "module": "900000000000207008",
                    "definitionStatus": "Fully defined"
                  },
                  {
                    "term": "Mild asthma",
                    "conceptId": "370218001",
                    "active": true,
                    "conceptActive": true,
                    "fsn": "Mild asthma (disorder)",
                    "module": "900000000000207008",
                    "definitionStatus": "Primitive"
                  },
                  {
                    "term": "Wood asthma",
                    "conceptId": "56968009",
                    "active": true,
                    "conceptActive": true,
                    "fsn": "Wood asthma (disorder)",
                    "module": "900000000000207008",
                    "definitionStatus": "Fully defined"
                  }
                ],
                "details": {
                  "total": 493,
                  "skipTo": 0,
                  "returnLimit": 5
                },
                "filters": {
                  "lang": {
                    "english": 493
                  },
                  "semTag": {
                    "disorder": 261,
                    "situation": 28,
                    "regime/therapy": 25,
                    "environment": 2,
                    "observable entity": 11,
                    "finding": 112,
                    "procedure": 41,
                    "product": 3,
                    "assessment scale": 6,
                    "occupation": 2,
                    "qualifier value": 2
                  },
                  "module": {
                    "900000000000207008": 493
                  },
                  "refsetId": {
                    "900000000000498005": 493,
                    "900000000000497000": 493
                  }
                }
              }
              
  # Group Expressions
  
  ## Parse Expressions [/expressions/{edition}/{release}/parse/brief]
  Parses a brief syntax expression based on the official IHTSDO Expression constraint language.
  
  + Parameters
      + edition (required, string, `en-edition`) ... Identifier for the SNOMED CT Edition to browse, for example `en-edition` for the International Edition
      + release (required, string, `v20160131`) ... Identifier for the release, usually the release effective time preceded with a `v`.
      
  ### Parse Expression [POST]
  
  
negative.code: 
      + Body
  
              {  
                 "members":[  
                    {  
                       "_id":"540f65b12ae8860193e41f1b",
                       "isLeafInferred":true,
                       "isLeafStated":true,
                       "conceptId":"427912008",
                       "defaultTerm":"1 Deoxynojirimycin (product)",
                       "definitionStatus":"Primitive",
                       "active":true,
                       "module":"900000000000207008"
                    },
                    {  
                       "_id":"540f65b42ae8860193e43ec8",
                       "isLeafInferred":false,
                       "isLeafStated":false,
                       "conceptId":"359393000",
                       "defaultTerm":"2-octyl-cyanoacrylate (product)",
                       "definitionStatus":"Primitive",
                       "active":true,
                       "module":"900000000000207008"
                    },
                    {  
                       "_id":"540f65712ae8860193e219e4",
                       "isLeafInferred":true,
                       "isLeafStated":true,
                       "conceptId":"428013003",
                       "defaultTerm":"3'-Deoxyadenosine (product)",
                       "definitionStatus":"Primitive",
                       "active":true,
                       "module":"900000000000207008"
                    },
                    {  
                       "_id":"540f65672ae8860193e1c993",
                       "isLeafInferred":true,
                       "isLeafStated":true,
                       "conceptId":"425052006",
                       "defaultTerm":"3,4-Diaminopyridine (product)",
                       "definitionStatus":"Primitive",
                       "active":true,
                       "module":"900000000000207008"
                    },
                    {  
                       "_id":"540f65232ae8860193dfc36c",
                       "isLeafInferred":false,
                       "isLeafStated":false,
                       "conceptId":"413355004",
                       "defaultTerm":"4-Aminopyridine (product)",
                       "definitionStatus":"Primitive",
                       "active":true,
                       "module":"900000000000207008"
                    }
                 ],
                 "details":{  
                    "total":3234,
                    "refsetId":447565001
                 }
              }
          
  ## Search [/snomed/{edition}/{release}/descriptions?query={query}&searchMode={mode}&lang={language}&statusFilter={statusFilter}&skipTo={skipTo}&returnLimit={returnLimit}&normalize={normalize}&semanticFilter={semanticFilter}&moduleFilter={moduleFilter}&langFilter={langFilter}&refsetFilter={refsetFilter}]
  Performs a text search over the database, selecting mode and other limits.
  The search results include the matching descriptions plus a filter descriptor object, allowing to further refining the search by providing new limits.
  
  + Parameters
      + edition (required, string, `en-edition`) ... Identifier for the SNOMED CT Edition to browse, for example `en-edition` for the International Edition
      + release (required, string, `v20140731`) ... Identifier for the release, usually the release effective time preceded with a `v`.
      + query (required, string, `asthma`) ... String terms to use a query.
      + mode (optional, string, `partialMatching`) ... Search mode, either `partialMatching`, `fullText` or `regex`.
      + language (optional, string, `english`) ... Languge for the search, only required for `fullText` mode.
      + statusFilter (optional, string, `english`) ... Value to filter out undesired status, possible values are `activeOnly`, `inactiveOnly` or `activeAndInactive`.
      + semanticFilter (optional, string, `findng`) ... Value to restrict search results to specififc an semantic area, possible values are `finding`, `disorder`, `procedure`, etc.
      + moduleFilter (optional, string, `900000000000207008`) ... Value to restrict search results to an specififc module, possible values are any valid ModuleId.
      + langFilter (optional, string, `en`) ... Value to restrict search results to an specififc language code, possible values are any valid language code.
      + refsetFilter (optional, string, `450970008`) ... Value to restrict search results to an specififc reference set, possible values are any valid Reference Set conceptId.
      + returnLimit (optional, number, `5`) ... Number of results to retrieve in one call.
      + skipTo (optional, number, `0`) ... Number of results to skip, used along with limit to paginate.
      + normalize (optional, string, `true`) ... Wether to normalize search terms or not, should be aligned with index normalization option in the database.
  