PT - JOURNAL ARTICLE AU - Levine, L. I. TI - Pain relief during childbirth DP - 1994 Jun 01 TA - Canadian Medical Association Journal PG - 1759a--1759 VI - 150 IP - 11 4099 - http://www.cmaj.ca/content/150/11/1759a.short 4100 - http://www.cmaj.ca/content/150/11/1759a.full SO - CMAJ1994 Jun 01; 150