Figure 1From: Risk of new acute myocardial infarction hospitalization associated with use of oral and parenteral non-steroidal anti-inflammation drugs (NSAIDs): a case-crossover study of Taiwan's National Health Insurance claims database and review of current evidence Patients flow diagram. NHI = National Health Insurance, ICD-9-CM = International Classification of Disease, 9thRevision, Clinical Modification.Back to article page