Download or read book Test No. 422: Combined Repeated Dose Toxicity Study with the Reproduction/Developmental Toxicity Screening Test written by OECD and published by OECD Publishing. This book was released on 1996-03-22 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The test substance is administered in graduated doses to several groups of males and females. Males should be dosed for a minimum of four weeks; females should be dosed throughout the study (approximately 54 days). Normally, matings “one male to one ...