TY - JOUR T1 - A Letter to Dr. Watson, F. R. S. Containing a Description of Three Substances Mentioned by the Arabian Physicians, in a Paper Sent from Aleppo, and Translated from the Arabic, by Mr. J. Channing, Apothecary JF - Philosophical Transactions (1683-1775) VL - 57 SP - 21 EP - 27 PY - 1767/01/01/ UR - http://dx.doi.org/10.1098/rstl.1767.0003 M3 - doi:10.1098/rstl.1767.0003 AU - Channing, J. ER -