TY - JOUR T1 - Some Calculations of the Number of Accidents or Deaths Which Happen in Consequence of Parturition; And of the Proportion of Male to Female Children, as Well as of Twins, Monstrous Productions, and Children That are Dead-Born; Taken from the Midwisery Reports of the Westminster General Dispensary: With an Attempt to Ascertain the Chance of Life at Different Periods, from Insancy to Twenty-Six Years of Age; And Like-Wise the Proportion of Natives to the Rest of the Inhabitants of London. In a Letter from Robert Bland, M.D. Physician-Man-Midwife to the Westminster General Dispensary, to Samuel Foart Simmons, M.D. F.R.S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 71 SP - 355 EP - 371 PY - 1781/01/01/ UR - http://dx.doi.org/10.1098/rstl.1781.0046 M3 - doi:10.1098/rstl.1781.0046 AU - Bland, R. ER -