strongyloides stercoralis or threadworm in human stool

400x albendazone analyze analyzing care cestode diagnosis diarrhea disease enterobius exam fecal feces filariform fluke form free health helminthes helminthology human infection ivermectin laboratory larva living magnification medical micro microbiology microscope microscopy nematoda nematode organism original parasite parasitic pinworms protozoa research rhabditiform roundworm stage stercoralis stool strongyloides strongyloidiasis strongyloidiosis test thiabendazole threadworm worm