The parasites were "Ascaris lumbricoides" worms. In 1758 Linnaeus named them "Ascaris lumbricoides". "Ascaris lumbricoides" is characterized by its great size. It is also used to treat "Ascaris lumbricoides" (roundworms). One species, "Ascaris lumbricoides", affects humans and causes the disease ascariasis. "Ascaris lumbricoides" eggs are extremely resistant to strong chemicals, desiccation, and low temperatures. Hepatolithiasis is associated with Clonorchis sinensis and Ascaris lumbricoides infestation of the liver. The Roman physicians Celsus and Galen documented the roundworms "Ascaris lumbricoides" and "Enterobius vermicularis". "Ascaris lumbricoides" is the main ascarid parasite of humans, causing Ascariasis. "Ascaris lumbricoides", a roundworm, infects humans via the fecal-oral route. Whipworm commonly infects patients also infected with "Giardia", "Entamoeba histolytica", "Ascaris lumbricoides", and hookworms. "Ascaris lumbricoides" and in ascarid parasitoses in general (including threadworm parasitosis).