00476cam a2200181 a 4500001000700000003000400007005000900011008005900020020001800079245006000097250000600157260002400163300001700187504003800204650001600242700002300258040001300281134432OSt201809210000001996 A 0000000000 00 a84-458-0357-3 aWilliams : obstetriciacF. Gary Cunningham ... [et al.] a4 aBarcelona :bMasson axvi, 1420 p. aIncluye bibliografía e índice aObstetricia aGary Cunningham, F aDLCcDLC