TY - JOUR T1 - Part of Two Letters concerning a Method of Procuring the Small Pox, Used in South Wales. From Perrot Williams, M. D. Physician at Haverford West, to Dr. Samuel Brady, Physician to the Garrison at Portsmouth JF - Philosophical Transactions (1683-1775) VL - 32 SP - 262 EP - 264 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1722.0046 M3 - doi:10.1098/rstl.1722.0046 AU - Williams, P. ER -