Wiley, BJOG: An International Journal of Obstetrics and Gynaecology, 5(110), p. 449-449, 2003
DOI: 10.1046/j.1471-0528.2003.11105.x
Wiley, BJOG: An International Journal of Obstetrics and Gynaecology, 5(110), p. 449
DOI: 10.1016/s1470-0328(03)11105-6
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