Complex sentence: In 2011, SNOMED CT includes more than 311,000 concepts, which are uniquely identified by a concept ID, i.e. the concept 22298006 refers to "Myocardial infarction".
Split into simpler sentences: In 2011, SNOMED CT includes more than 311,000 concepts, which are uniquely identified by a concept ID. E.g., the concept 22298006 refers to "Myocardial infarction".