Comorbidity of bipolar disorder and substance abuse in Costa Rica: Pedigree- and population-based studies

Michael A. Escamilla, Steven Batki, Victor I. Reus, Mitzi Spesny, Julio Molina, Susan Service, Sophia Vinogradov, Tom Neylan, Carol Mathews, Luis Meza, Alvaro Gallegos, A. Patricia Montero, Maria L. Cruz, John Neuhaus, Erin Roche, Lauren Smith, Pedro Leon, Nelson B. Freimer