00519nas a2200109   4500000000100000000000100001000000100002008004100003245004800044856006500092520025200157                                       d00aAlternative Methods Accepted by US Agencies  uhttps://ntp.niehs.nih.gov/whatwestudy/niceatm/accept-methods3 aThis page lists alternative safety testing methods that are accepted by U.S. and international regulatory authorities, organized by testing category. Appropriate use of these methods and approaches can reduce animal use and improve animal welfare.