TY - JOUR T1 - Medical Research: A Statistical and Epidemiological Approach JF - British Journal of Industrial Medicine JO - Br J Ind Med SP - 68 LP - 68 DO - 10.1136/oem.34.1.68 VL - 34 IS - 1 AU - C. C. Spicer Y1 - 1977/02/01 UR - http://oem.bmj.com/content/34/1/68.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -