Show COAL TAR PROVIDES OPIUM SUBSTITUTE 1 New ew York Feb 21 Discovery n Discovery o of a anew anew new a agent tnt as a substitute for or cines derived from rom opium was announced an- an announced announced an an- hero last nl night ht b by Dr David DavidI I I. I Macht o of Johns Hopkins Hopkin university at the annual meeting of the Society for Experimental Biology and Medi cine The substitute Is a coal tar tive tivo m and has been named benz o e benzoIn ben- ben te The Tho new agent Mr Ir Macht explained rolax relaxes s the muscles giving tho the patient tho same beneficial effects as opium derivatives without their ill effects |