Wiley, BJOG: An International Journal of Obstetrics and Gynaecology, 11(109), p. 1244-1249, 2002
DOI: 10.1046/j.1471-0528.2002.02083.x
Wiley, BJOG: An International Journal of Obstetrics and Gynaecology, 11(109), p. 1244-1249
DOI: 10.1016/s1470-0328(02)02983-x
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