1. Studies on bovine gastrointestinal parasites. III. The blood picture in hookworm and nodular worm infection with some observations on the normal;Delaune;Trans. Am. Microsc. Soc.,1941
2. Pepsinogen in the blood;Hirschowitz;J. Lab. Clin. Med.,1955
3. Determination of the proteolytic activity of gastric juice, urine, and serum;Korot'ko;Sb. Nauchn. Tr. Andizh. Gos. Med. Inst.,1963
4. Nematode Parasites of Domestic Animals and of Man;Levine,1968
5. Infection experiments with the hookwork (Bunostomum phlebotomum in calves;Mayhew,1946