1. A contribution to the relative value of the different operations for delivery in narrow pelves: with the history of eighteen cases Author(s): Erich, Aug. F. (Augustus Frederick), 1837-1886, author Publication: Baltimore, Md. : J.W. Borst & Co., Printers 1880 Subject(s): Obstetric Labor Complications -- surgeryDelivery, Obstetric -- methodsPelvis -- abnormalities
