R. Ippen

The pathology of prosimians, especially lemurs.

Kurt Benirschke, Craig T. Miller, R. Ippen et al. · PubMed · 1985 · 54 citations

Biology, Primatology, Pathology +4

Toxoplasmosis in zoo animals.

R. Ippen, Kozojed, J Jíra · PubMed · 1981 · 31 citations

Parasitic Disease, Toxoplasma Infection, Allergy +11

Report of dysgerminoma in the ovaries of a snapping turtle (Chelydra serpentina) with discussion of ovarian neoplasms reported in reptilians and women.

S. V. Machotka, J. Wisser, R. Ippen et al. · PubMed · 1992 · 19 citations

Snapping Turtle, Tumoral Pathology, Chelydra Serpentina +12

Ultrasonography and pathology of genital tract leiomymoas in captive asian elephants: implications for reproductive soundness.

Richard J. Montali, Thomas B. Hildebrandt, Frank Göritz et al. · Smithsonian Digital Repository (Smithsonian Institution) · 1997 · 16 citations

Genital Tract Leiomymoas, Animal Reproduction, Theriogenology +12

Cryptosporidiosis in zoo and wild animals.

Graham J. Crawshaw, Kay G. Mehren, R. Ippen et al. · 1987 · 14 citations

Parasitic Disease, Zoonotic Diseases, Zoonotic Disease +7