005240000a22001450004500003000900000005001700009700001800026700002200044710010500066245010500171264004200276300001000318041000800328650004200336PH-MaWHO20241108112141.01 aSobrero, A.J.1 aHarvey, R.M.eed.  aAnnual Meeting of the American Association of Planned Parenthood Physicians (9th : 1971 : Missouri).0 aAdvances in planned parenthood : proceedings [of the] IXth Annual Meeting, Missouri, 5-6 April 1971.  aAmsterdam : bexcerpta Medica,c1972.  a212p.  aeng  aFamily planningxResearchxCongresses