01065nam0-22003251i-450 99000544925020331620200319115015.0000544925USA01000544925(ALEPH)000544925USA0120010829d1983----km y1itay5003----baengUSPlanning and analysis of observational studiesWilliam G. Cochranedited by Lincoln E. Moses and Frederick MostellerNew York . John Wiley & Sons1983144 p.23 cmWiley series in probability and mathematical statistics2001Wiley series in probability and mathematical statisticsMetodi statisticiBNCF001.422COCHRAN,Wiliam G.613534MOSTELLER,FrederickMOSES,Lincoln E.ITSOL20120104990005449250203316000 001.42 COC47 DISESBKDISESPlanning and analysis of observational studies1143688UNISA