Through a series of experiments the duo conducted in 1952,
A sounds correct
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Pinworms belong to the group of worms called the Nematodes which is the answer. Pinworms are intestinal roundworms living in the intestinal tract of animals and human. There are 4 types of pinworms and one of it is Enterobius vermicularis which then infects the humans.
To convert factor I (fibrinogen) into a fibrin clot