APA

Chasin M., Harris D. N., Phillips M. B. & Hess S. M. (19730308). 1-Ethyl-4-(isopropylidenehydrazino)-1H-pyrazolo-(3,4-b)-pyridine-5-carboxylic acid, ethyl ester, hydrochloride (SQ 20009)--a potent new inhibitor of cyclic 3',5'-nucleotide phosphodiesterases. : Biochemical pharmacology.

Chicago

Chasin M, Harris D N, Phillips M B and Hess S M. 19730308. 1-Ethyl-4-(isopropylidenehydrazino)-1H-pyrazolo-(3,4-b)-pyridine-5-carboxylic acid, ethyl ester, hydrochloride (SQ 20009)--a potent new inhibitor of cyclic 3',5'-nucleotide phosphodiesterases. : Biochemical pharmacology.

Harvard

Chasin M., Harris D. N., Phillips M. B. and Hess S. M. (19730308). 1-Ethyl-4-(isopropylidenehydrazino)-1H-pyrazolo-(3,4-b)-pyridine-5-carboxylic acid, ethyl ester, hydrochloride (SQ 20009)--a potent new inhibitor of cyclic 3',5'-nucleotide phosphodiesterases. : Biochemical pharmacology.

MLA

Chasin M, Harris D N, Phillips M B and Hess S M. 1-Ethyl-4-(isopropylidenehydrazino)-1H-pyrazolo-(3,4-b)-pyridine-5-carboxylic acid, ethyl ester, hydrochloride (SQ 20009)--a potent new inhibitor of cyclic 3',5'-nucleotide phosphodiesterases. : Biochemical pharmacology. 19730308.