00483     2200181   4500001002100000008004100021035002000062245005100082100001900133250001400152260003300166300003000199084001800229082001000247650001600257990001400273990001400287INLIS000000000046134                                   eng    a0010-0617005026  aEpidemilogy in medical practicecD.J.P. Barker  aBarker, D.J.P.  a3 rd. ed.  bChurchill Livingstone,c1984  aviii, 158 : ilus.c23 cm.  a614.4 Bar e 1  a614.4  aEPIDEMILOGY  a115088112  a114988112