PT  - JOURNAL ARTICLE
ED  - , 
TI  - Discussion
AID  - 10.1136/pgmj.59.689.140
DP  - 1983 Mar 01
TA  - Postgraduate Medical Journal
PG  - 140--141
VI  - 59
IP  - 689
4099  - http://pmj.bmj.com/content/59/689/140.short
4100  - http://pmj.bmj.com/content/59/689/140.full
SO  - Postgrad Med J1983 Mar 01; 59