C Dyer. Show Affiliations »
Abstract
Mesh: See more » HumansLegislation, DrugMalePhosphodiesterase Inhibitors/supply & distributionPiperazines/supply & distributionPurinesSildenafil CitrateSulfonesUnited Kingdom
Substances: See more » Phosphodiesterase InhibitorsPiperazinesPurinesSulfonesSildenafil Citrate
Year: 1999 PMID: 10355999 PMCID: PMC1115898 DOI: 10.1136/bmj.318.7197.1509b
Source DB: PubMed Journal: BMJ ISSN: 0959-8138