TY - BOOK ED - Alfred Benzon Symposium ED - Krogsgaard-Larsen, P. ED - Christensen, S. Brogger ED - Kofod, Helmer TI - Natural products and drug development: proceedings of the Alfred Benzon Symposium 20 held at the Premises of the Royal Danish Academy of Sciences and Letters, Copenhagen 7-11 August 1983 SN - 8716095634 PY - 1984/// CY - Copenhagen PB - Munksgaard KW - Pharmacognosy KW - congresses ER -