TY - BOOK AU - Hems,D.A. AU - Chain,Ernst TI - Biologically active substances--exploration and exploitation SN - 0471994898 AV - QP981.A56 B56 PY - 1977/// CY - Chichester, New York PB - Wiley KW - Congresses N1 - Papers presented at a symposium held at the Royal Society, London, in June 1976, to honor Sir Ernst Chain ER -