00716nas a2200277   4500000000100000000000100001008004100002100001500043700001400058700001700072700001600089700001300105700001300118700001200131700001600143700001300159700001400172700001400186700001800200700001500218700001500233245015800248300001000406490000800416022001400424       2006                            d1 aJ. Cassell1 aC. Mercer1 aL. Sutcliffe1 aI. Petersen1 aA. Islam1 aM. Brook1 aJ. Ross1 aG. Kinghorn1 aI. Simms1 aG. Hughes1 aA. Majeed1 aJ. Stephenson1 aA. Johnson1 aA. Hayward00aTrends in sexually transmitted infections in general practice 1990-2000: population based study using data from the UK general practice research database  a332-40 v332  a0959-8138