V.A.V.A.MuellerV.A.V.A., An analysis and evaluation of vinbarbital sodium for obstetric amnesia and analgesia, „American Journal of Obstetrics and Gynecology”, 59 (3), 1950, s. 679–684, DOI: 10.1016/0002-9378(50)90253-5, PMID: 15405833(ang.).
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V.A.V.A.MuellerV.A.V.A., An analysis and evaluation of vinbarbital sodium for obstetric amnesia and analgesia, „American Journal of Obstetrics and Gynecology”, 59 (3), 1950, s. 679–684, DOI: 10.1016/0002-9378(50)90253-5, PMID: 15405833(ang.).
