title: Where is the boundary between clinical and social need for Viagra?
authors.affiliation: Kent Law School, University of Kent at Canterbury.
authors.forename: H
authors.initials: H
authors.lastname: Biggs
authors.forename: R
authors.initials: R
authors.lastname: Mackenzie
mesh_terms: D007172:Erectile Dysfunction / Q000188:drug therapy; D006297:Health Services Accessibility; D006801:Humans; D008297:Male; D008875:Middle Aged; D009313:National Health Programs; D010726:Phosphodiesterase Inhibitors / Q000627:therapeutic use*; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D006113:United Kingdom
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate