"Pernicious anaemia as a cause of infertility in twins"@en . . "1971-03-01T00:00:00Z"^^ . "Pernicious anaemia as a cause of infertility in twins"@en . . . "N D Finlayson" . "article by R H Girdwood et al published 1 March 1971 in The Lancet"@en . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F"@uk . . . "1" . "wetenschappelijk artikel"@nl . "528-530" . "R H Girdwood" . "M A Eastwood" . . . "10.1016/S0140-6736(71)91128-7" . . . . . . . . . . . . . . . "Pernicious anaemia as a cause of infertility in twins"@en . "Pernicious anaemia as a cause of infertility in twins"@nl . . . . . . . . "7698" . . "4100439" . . "Pernicious anaemia as a cause of infertility in twins"@en . . . . . . . "Pernicious anaemia as a cause of infertility in twins"@nl . "Pernicious anaemia as a cause of infertility in twins"@nl . . "G S Graham" .