Bos taurus - 438302, 438307, 438308, 438309, 438310 Homo sapiens - 744612 Homo sapiens fetus, neonate, 1-18 years 438311 Leptospira interrogans - 672089, 674485 Rattus norvegicus - 438306 Rattus norvegicus 250-300 g 438305 Rattus norvegicus 7- to 10-day old rats 438303 Rattus norvegicus Holtzman strain, male rats 438304, 438305 Rattus norvegicus homozygous warfarin-resistent rats 438300 Rattus norvegicus rats of a Sprague-Dawley-derived strain, 8-10 weeks old male and female rats 438300 Rattus norvegicus Sprague-Dawley strain, fasted male rats, 250 - 350 g 438301