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Bersinger, N A; Brandenberger, A; Berger, E; Baumann, C K; Birkhäuser, M H (1998). Serum pregnancy-specific beta1-glycoprotein before embryo transfer is related to endometrial thickness and to outcome prognosis in women undergoing in-vitro fertilization treatment. Human reproduction, 13(7), pp. 1962-1967. Oxford University Press 10.1093/humrep/13.7.1962
