PT  - JOURNAL ARTICLE
AU  - John S. Bryden
TI  - The mechanical preparation of age and sex registers in general practice
DP  - 1969 Aug 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 131--132
VI  - 18
IP  - 85
4099  - http://bjgp.org/content/18/85/131.short
4100  - http://bjgp.org/content/18/85/131.full
SO  - J R Coll Gen Pract1969 Aug 01; 18