Commentary.
Imperial College NHS Trust at St Mary's Hospital, London, UK. david.goldmeier@imperial.nhs.uk
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Goldmeier
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Richardson
D017280:Condoms; D004868:Equipment Failure; D006801:Humans; D008297:Male; D058986:Phosphodiesterase 5 Inhibitors; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*
D058986:Phosphodiesterase 5 Inhibitors; D010726:Phosphodiesterase Inhibitors