00407nas a2200157   4500000000100000000000100001008004100002100001500043700001300058700001500071700001300086245011800099300001000217490000800227022001400235       2009                            d1 aM. Frisher1 aI. Crome1 aO. Martino1 aP. Croft00aAssessing the impact of cannabis use on trends in diagnosed schizophrenia in the United Kingdom from 1996 to 2005  a123-80 v113  a0920-9964