00902nam a2200277 a 450000100060000000300080000600500170001400800410003102000250007203500190009704000320011604100080014806000230015608200270017924500770020626000670028330000290035050400510037965000410043065000270047165000270049865000230052565000300054870000280057870000180060666116BD-RjUL20211209081513.0170314s1994    enkab    b    001 0 eng c  a0335208355 c£12.99  a(BD-RjUL)66246  aDNLM/DLCcDLCdBD-RjULbeng  aeng00aWA 20.5 S9336 199400a614.4072223bSTU 199400aStudying health and disease /cedited by Kevin McConway and Basiro Davey  aPhiladelphia :bPublished by the Open University Press,c1994.  a215 p. :bill. ;c24 cm.  aIncludes bibliographical references and index. 0aEpidemiologyxResearchxMethodology. 0aResearchxMethodology. 2aEpidemiologic Methods. 2aResearchxmethods. 2aSocial Medicinexmethods.1 aMcConway, Kevin,d1950-1 aDavey, Basiro