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Acta Obstetricia et Gynecologica Scandinavica > 98 > 5 > 604 - 615
Pediatrics International > 59 > 4 > 482 - 489
Pediatrics International > 59 > 1 > 41 - 47
Acta Obstetricia et Gynecologica Scandinavica > 98 > 5 > 604 - 615
Pediatrics International > 59 > 4 > 482 - 489
Pediatrics International > 59 > 1 > 41 - 47