PT  - JOURNAL ARTICLE
AU  - R. M. McGregor
AU  - L. V. H. Martin
TI  - Obstetrics in General Practice
DP  - 1961 Nov 01
TA  - The Journal of the College of General Practitioners
PG  - 542--551
VI  - 4
IP  - 4
4099  - http://bjgp.org/content/4/4/542.short
4100  - http://bjgp.org/content/4/4/542.full
SO  - J Coll Gen Pract1961 Nov 01; 4