TY - SER ED - World Health Organization. TI - Biological substances AV - RS189 .L54 U1 - 363.1/9462 19 PY - 1984///- CY - Geneva PB - World Health Organization KW - Biological products KW - Standards KW - Periodicals KW - Biological reagents KW - Biological Factors KW - standards KW - Indicators and Reagents KW - 42.00 biology: general KW - bcl KW - 44.42 pharmacy, pharmaceuticals KW - fast KW - Tables ER -