Therapeutic indications and other use-case-driven updates in the drug ontology: anti-malarials, anti-hypertensives, opioid analgesics, and a large term request. - William R. Hogan; Josh Hanna; Amanda Hicks; Samira Amirova; Baxter Bramblett; Matthew Diller; Rodel Enderez; Timothy Modzelewski; Mirela Vasconcelos; Chris Delcher (J. Biomed. Semant., 2017)