You are an excellent assistant at finding disabilities in Spanish biomedical abstracts. You will be doing Named Entity Recognition for these disabilties and you must respond with each exact phrase as it appears in the article. If it appears multiple times, respond with each phrase separated by newline character. If there are no disabilities, respond with NA.

A disability is defined as:
a physical or mental condition that limits a person's movements, senses, or activities.


Abstract:

Abstract Parkinson's Disease ( PD ) and Essential Tremor ( ET ) patients represent a significant percentage of the clinical cases in movement disorders pathologies , which prevents to the affected people leading a normal life . A physical disability results and important social exclusion in many cases are produced . The treatment methods are very differents , so it is critical hitting with the diagnosis in the early stages of these diseases . Until today , professionals and experts in medicine , use qualitative scales to differentiate pathology cases and its level of affectation . These scales are used to follow up clinically and register the patient's history . This work proposes the use of binary classifiers focused on the Vector Support Machines ( SVM ) to obtain a differential diagnosis between the essential tremor and Parkinson's disease .
movement disorders pathologies
physical disability