00488nas a2200169   4500000000100000000000100001008004100002100001600043700001400059700001500073700001400088700001700102245016500119300001300284490000700297022001400304       2016                            d1 aA. Matthews1 aS. Langan1 aI. Douglas1 aL. Smeeth1 aK. Bhaskaran00aPhosphodiesterase Type 5 Inhibitors and Risk of Malignant Melanoma: Matched Cohort Study Using Primary Care Data from the UK Clinical Practice Research Datalink  ae10020370 v13  a1549-1277