What is the fine-grained topic of the following text: As EMRs are relatively new themselves, they lack well defined standards for input and doctors usually write them in free-form dictation These form of text lack proper sentence structure and contain numerous acronyms that only appear in such context, making it difficult to apply current parsing techniques to discover semantic meanings of the text. Only return the topic.
Challenges in parsing electronic medical records (EMRs) due to lack of standardization and usage of acronyms.