1. Certain facts regarding fertility, utero-gestation, parturition and the puerperium in the so-called "lower" or "laboring" classes: observations made in the Woman's Clinic of the Central Dispensary and Emergency Hospital, Washington, D.C Author(s): Johnston, George Woodruff, 1858-1923 Publication: New York: : William Wood & Co., 1888 Subject(s): FertilityAbortion, SpontaneousDelivery, ObstetricPostpartum PeriodWorking PoorDistrict of Columbia