TY - BOOK AU - Natori,Shinsaku,1923- AU - Ikekawa,Nobuo AU - Suzuki,Makoto,1929- TI - Advances in natural products chemistry: extraction and isolation of biologically active compounds SN - 0470272457 PY - 1981/// CY - Tokyo PB - Kodansha KW - Biological products KW - Natural products N1 - 'Revised version of a book originally published in Japanese in 1977'; Includes index ER -