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ncbi.nlm.nih.gov
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worldcat.org
Położnictwo i ginekologia, Grzegorz HG.H.Bręborowicz (red.), BeataB.Banaszewska, Warszawa: Wydawnictwo Lekarskie PZWL, 2005, ISBN 83-200-3082-X, OCLC749793069. Brak numerów stron w książce