Observations on the orientation of certain lungworms in the respiratory tracts and on their feeding habits.
D000818:Animals; D002417:Cattle; D006184:Habits; D008168:Lung; D009348:Nematoda; D012756:Sheep; D034561:Sheep, Domestic; D013552:Swine; D012122:Ventilators, Mechanical
CATTLE; HOGS; LUNGS; NEMATODES; RESPIRATORS; SHEEP