TY - JOUR T1 - Predictive drug toxicity. Assessment of drug safety before human use JF - Canadian Medical Association Journal JO - CMAJ SP - 278 LP - 293 VL - 98 IS - 6 AU - E. M. Boyd Y1 - 1968/02/10 UR - http://www.cmaj.ca/content/98/6/278.abstract ER -