"2.682" . . . . . . . . . "Seminars in Perinatology" . . . . . . . . . "Seminars in Perinatology" . . . "2014" . . "SEMPDU" . . "Semin. Perinatol." . "Bimonthly" . "1558-075X" . "1977" . . "0146-0005" .