Johannes CB, Calingaert B, Saltus C, Kaplan S, Grubb E, Kaye JA, Andrews EB. Description of antiparkinsonian drug use in US Medicare claims database: a feasibility assessment. Poster presented at the 31st ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 2015. Boston, MA. [abstract] Pharmacoepidemiol Drug Saf. 2015 Aug; 24(S1):85-6.