Answers are grounded in this paper and cite their sources.
R. E. Thorson, The Effect of Extracts of the Amphidial Glands, Excretory Glands, and Esophagus of Adults of Ancylostoma caninum on the Coagulation of Dog's blood, The Journal of Parasitology, Vol. 42, No. 1 (Feb., 1956), pp. 26-30
No takes yet. Share an insight, caveat, or question.
Ralph E. Thorson (1956) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: