"2014Z"^^ . "Monthly" . "Placenta" . . "80647588" . "Placenta is a peer-reviewed medical journal in the field of obstetrics and gynecology. It provides information on scientific and clinical investigations pertaining to placental research and their applications."@en . "2.71"^^ . "Placenta"@en . . "0143-4004" . . "PLACDF" . . "1980Z"^^ . "05312765" .