Ethnic-specific differences in bronchodilator responsiveness among African Americans, Puerto Ricans, and Mexicans with asthma.

Naqvi M, Thyne S, Choudhry S, Tsai HJ, Navarro D, Castro RA, Nazario S, Rodriguez-Santana JR, Casal J, Torres A, Chapela R, Watson HG, Meade K, LeNoir M, Avila PC, Rodriguez-Cintron W, Burchard EG