Margaret Michaels

Hematology and plasma chemistry values in free‐ranging Humboldt penguins (<i>Spheniscus humboldti</i>) in Chile

Roberta S. Wallace, J. Andrew Teare, Edward N. Diebold et al. · Zoo Biology · 1995 · 25 citations

Veterinary Research, Humboldt Penguins, Creatine Kinase +16

Morphometric Determination of Gender in Adult Humboldt Penguins (Spheniscus humboldti  )

Roberta S. Wallace, Jean Dubach, Margaret Michaels et al. · Waterbirds · 2008 · 17 citations

Biology, Reproductive Success, Fitness +15

Outbreak of <i>Mycobacterium marinum</i> infection among captive snakes and bullfrogs

Joel N. Maslow, Roberta S. Wallace, Margaret Michaels et al. · Zoo Biology · 2002 · 17 citations

Pathogenic Microbiology, Pathology, Disease Outbreak +18

Plasma tocopherol, retinol, and carotenoid concentrations in free-ranging Humboldt penguins (Spheniscus humboldti) in Chile

Roberta S. Wallace, J. Andrew Teare, Edward N. Diebold et al. · Zoo Biology · 1996 · 15 citations

Biology, Animal Physiology, Plasma Tocopherol +10

Movements of Humboldt Penguins from a Breeding Colony in Chile

Roberta S. Wallace, Karen Grzybowski, Edward N. Diebold et al. · Waterbirds · 1999 · 12 citations