Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Developed by epidemiologists at Epividian®, OPERA is a large electronic health record (EHR) database containing patient-level data without identifiers and collected at the point of care for about 14% of the total U.S. HIV population.