00641nam a2200193 4500 20170905152616.0 000 000 9241540877 UOEL RA1270.I5 .G84 1983 Guidelines on studisi environmentalm epidemioloy/ Geneva. World health Orga. c1983 393p. ; Ill. : Environmental health oganization 27 ublished under the joint sponsorship of the united Nations environment Programme, the International Labour organization and the world health organization. Epidemiology/ Medicine lcc SBK 16103 16103 0 0 lcc 0 0 UOE UOE GEN 2017-09-05 0 RA1270.I5 .G84 1983 10042523 2026-04-27 11:56:34 10042523 2017-09-05 SBK