Concepedia

Stephen A. Ballard

SA

18

Publications

1.5K

Citations

16

H-Index

1983

Active since

Affiliations

Pfizer (United Kingdom)(Current)

Vanderbilt University

University College London

Stephen A. Ballard is an author at Pfizer (United Kingdom) specializing in pharmacology, medicine, and drug discovery.

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Publications per year

1983–2011

18

Publications

18

EFFECTS OF SILDENAFIL ON THE RELAXATION OF HUMAN CORPUS CAVERNOSUM TISSUE IN VITRO AND ON THE ACTIVITIES OF CYCLIC NUCLEOTIDE PHOSPHODIESTERASE ISOZYMES

Stephen A. Ballard, Clive Gingell, Kim Tang et al. · The Journal of Urology · 1998 · 587 citations

Effects of sildenafil, a type‐5 cGMP phosphodiesterase inhibitor, and papaverine on cyclic GMP and cyclic AMP levels in the rabbit corpus cavernosum <i>in vitro</i>

Jamie Y. Jeremy, Stephen A. Ballard, A.M. Naylor et al. · British Journal of Urology · 1997 · 250 citations

Inhibition of Cyclic GMP-Binding Cyclic GMP-Specific Phosphodiesterase (Type 5) by Sildenafil and Related Compounds

Illarion V. Turko, Stephen A. Ballard, Sharron H. Francis et al. · Molecular Pharmacology · 1999 · 189 citations

Effect of the selective phosphodiesterase type 5 inhibitor sildenafil on erectile dysfunction in the anesthetized dog.

Anthony J. Carter, Stephen A. Ballard, A.M. Naylor · PubMed · 1998 · 84 citations

EFFECT OF THE SELECTIVE PHOSPHODIESTERASE TYPE 5 INHIBITOR SILDENAFIL ON ERECTILE FUNCTION IN THE ANESTHETIZED DOG

Anthony J. Carter, Stephen A. Ballard, A.M. Naylor · The Journal of Urology · 1998 · 80 citations

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