PT  - JOURNAL ARTICLE
AU  - Perry, K. M. A.
TI  - Principles of Medical Statistics
AID  - 10.1136/oem.7.4.197-b
DP  - 1950 Oct 01
TA  - British Journal of Industrial Medicine
PG  - 197--197
VI  - 7
IP  - 4
4099  - http://oem.bmj.com/content/7/4/197.3.short
4100  - http://oem.bmj.com/content/7/4/197.3.full
SO  - Br J Ind Med1950 Oct 01; 7