1. Pollard and Minkler's obstetrical supporter: a description of its application, use, & beneficial effects, as connected with the natural parts and organs, in the process of parturition : embracing also a description of the muscles concerned in the mechanism of labor Author(s): Pollard, A. Publication: Keeseville, N.Y. : Printed by Jon. F. Morgan, 1849 Subject(s): Parturition -- physiologyMuscles -- physiologyEquipment and Supplies
