1. Optical demonstration of internal genitalia for diagnostics and therapy in equines;Heinze;Dtsch Tierarztl Wochenschr,1972
2. Ovulation site in the mare;Witherspoon;J Am Vet Med Assoc,1970
3. Diagnostic laparoscopy in the horse;Fischer;J Am Vet Med Assoc,1986
4. Adenocarcinoma of intestinal origin in a horse;Fulton;diagnosis by abdominocentesis and laparoscopy,1990
5. Laparoscopic diagnosis of subcapsular splenic hematoma in a horse;Mehl;J Am Vet Med Assoc,1998