"Abdomen" . "Parasites of dogs" . "Monopoly (economics)" . "Parasitic nematodes of mammals" . "Epidemiology" . "Routes of administration" . "Genetics" . "Nematodes described in 1859" . "Parasites of cats" . "Parasitic diseases" . "Ancylostomatidae" . "Public records" . "Infectious diseases" . "Digestive system" . "Patent law" . "Endocrine system" . "Polymorphism (biology)" . "Intangible assets" .