A textbook of obstetrics . Fig. 255.—Rare form of mechanism,known as birth with doubled body (one-sixth natural size, redrawn from Kustner).. Fig. 256.—Impending ruptureof uterus in a shoulder presentation :oe, External os; oi, internal os;cr, contraction-ring (much modifiedfrom Schroeder).

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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics