Wiley, BJOG: An International Journal of Obstetrics and Gynaecology, 10(110), p. 916-921, 2003
DOI: 10.1111/j.1471-0528.2003.02373.x
Wiley, BJOG: An International Journal of Obstetrics and Gynaecology, 10(110), p. 916-921
DOI: 10.1016/s1470-0328(03)02373-5
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