TY - GEN AU - Wagman, Gerald H AU - Cooper, Raymond TI - Natural products isolation: separation methods for antimicrobials, antivirals and enzyme inhibitors T2 - Journal of Chromatography Library, v.43 SN - 0444871470 U1 - 543.089 PY - 1989/// CY - Amsterdam PB - Elsevier KW - CHEMISTRY ER -