PT  - JOURNAL ARTICLE
ED  - ,
TI  - Discussion
AID  - 10.1136/pgmj.54.633.460
DP  - 1978 Jul 01
TA  - Postgraduate Medical Journal
PG  - 460--461
VI  - 54
IP  - 633
4099  - http://pmj.bmj.com/content/54/633/460.short
4100  - http://pmj.bmj.com/content/54/633/460.full
SO  - Postgrad Med J1978 Jul 01; 54