APA

Smith P. F., Thompson W. J., de Haën C., Halonen M., Palmer J. D. & Johnson D. G. (19860515). Bronchodilator activity of a nonxanthine phosphodiesterase inhibitor; 2,4-diamino-5-cyano-6-bromopyridine (compound I). : The Journal of pharmacology and experimental therapeutics.

Chicago

Smith P F, Thompson W J, de Haën C, Halonen M, Palmer J D and Johnson D G. 19860515. Bronchodilator activity of a nonxanthine phosphodiesterase inhibitor; 2,4-diamino-5-cyano-6-bromopyridine (compound I). : The Journal of pharmacology and experimental therapeutics.

Harvard

Smith P. F., Thompson W. J., de Haën C., Halonen M., Palmer J. D. and Johnson D. G. (19860515). Bronchodilator activity of a nonxanthine phosphodiesterase inhibitor; 2,4-diamino-5-cyano-6-bromopyridine (compound I). : The Journal of pharmacology and experimental therapeutics.

MLA

Smith P F, Thompson W J, de Haën C, Halonen M, Palmer J D and Johnson D G. Bronchodilator activity of a nonxanthine phosphodiesterase inhibitor; 2,4-diamino-5-cyano-6-bromopyridine (compound I). : The Journal of pharmacology and experimental therapeutics. 19860515.