Wiley, Acta Obstetricia et Gynecologica Scandinavica, 9(80), p. 803-806
DOI: 10.1080/j.1600-0412.2001.080009803.x
Wiley, Acta Obstetricia et Gynecologica Scandinavica, 9(80), p. 803-806
DOI: 10.1034/j.1600-0412.2001.080009803.x
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