TY - BOOK ED - World Health Organization. TI - Biological substances: international standards and reference reagents, 1990 SN - 9241544295 U1 - 574.028 PY - 1991/// CY - New Delhi PB - CBS Publishers & Distributors (P) Ltd. KW - Biological products KW - Standards KW - Chemical tests and reagents KW - Tables KW - fast ER -