"History of human parasitic diseases" “History of Human Parasitology.” “History of Human Parasitology.” "History of human parasitic diseases" parasites can cause those symptoms "History of human parasitic diseases" “History of Human Parasitology.” "History of human parasitic diseases" "History of human parasitic diseases" “History of Human Parasitology.” "History of human parasitic diseases" http://cmr.asm.org/content/15/4/595.full