PT - JOURNAL ARTICLE AU - J. E. Malcolm AU - D. P. Pound TI - Direction of spiral of the umbilical cord. DP - 1971 Dec 01 TA - The Journal of the Royal College of General Practitioners PG - 746--747 VI - 21 IP - 113 4099 - http://bjgp.org/content/21/113/746.short 4100 - http://bjgp.org/content/21/113/746.full SO - J R Coll Gen Pract1971 Dec 01; 21