Skeith, Leslie, Cory Yamashita, Sanjay Mehta, Donald Farquhar, and Richard B Kim. 2018. “SILDENAFIL AND FUROSEMIDE ASSOCIATED OTOTOXICITY: CONSIDERATION OF DRUG-DRUG INTERACTIONS, SYNERGY, AND BROADER CLINICAL RELEVANCE”. Journal of Population Therapeutics and Clinical Pharmacology 20 (2). https://jptcp.com/index.php/jptcp/article/view/382.