TY - JOUR AU - B. Hamory AU - R. Couch AU - Douglas G. Jr AU - S. Black AU - V. Knight BT - Society for Experimental Biology and Medicine (New York, N.Y.). LA - eng PY - 1972 EP - 3 T2 - Society for Experimental Biology and Medicine (New York, N.Y.). TI - Characterization of the infectious unit for man of two respiratory viruses. Proceedings of the Society for Experimental Biology and Medicine VL - 139 ER -