TY - GEN T1 - Inventiveness in biological chemistry :an international perspective / AU - Crespi, R. Stephen, VL - 1991 Vol 73 No 5 pages 351-370 ID - 4576 KW - Patents. KW - Trademarks. KW - PATENTS : PATENTABILITY : PHARMACEUTICAL PRODUCTS, MEDICINE, BIOLOGY TI - Inventiveness in biological chemistry :an international perspective / ER -