Shapiro GG, Kemp JP, DeJong R, Chapko M, Bierman CW, Altman LC, Furukawa CT, Meltzer E, Orgel A, Pierson WE, et al. Effects of albuterol and procaterol on exercise-induced asthma. Ann Allergy. 1990 Oct;65(4):273-6.
Shapiro GG, Kemp JP, DeJong R, Chapko M, Bierman CW, Altman LC, Furukawa CT, Meltzer E, Orgel A, Pierson WE, et al. Effects of albuterol and procaterol on exercise-induced asthma. Ann Allergy. 1990 Oct;65(4):273-6.