PT  - JOURNAL ARTICLE
ED  - , 
TI  - Erratum
AID  - 10.1136/pgmj.69.808.169-b
DP  - 1993 Feb 01
TA  - Postgraduate Medical Journal
PG  - 169--169
VI  - 69
IP  - 808
4099  - http://pmj.bmj.com/content/69/808/169.3.short
4100  - http://pmj.bmj.com/content/69/808/169.3.full
SO  - Postgrad Med J1993 Feb 01; 69