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Busacca M, Luchini S, Molinari MA, Tonta A, Marelli G.Busacca M, et al. Among authors: tonta a.Acta Eur Fertil. 1987 May-Jun;18(3):197-201.Acta Eur Fertil. 1987.PMID: 3439406
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Luerti M, Tonta A, Ferla P, Molla R, Santini F.Luerti M, et al. Among authors: tonta a.Contraception. 1986 Jan;33(1):61-8. doi: 10.1016/0010-7824(86)90033-8.Contraception. 1986.PMID: 3956207
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