British Homeopathic Journal, Table of Contents Br Homeopath J 1967; 56(03): 157-161DOI: 10.1016/S0007-0785(67)80023-1 Copyright © The Faculty of Homeopathy 1967 Heat, light and sound Their significance in homœopathic drug pictures Peter B. Engel Subject Editor: Recommend Article Abstract Buy Article Full Text