Nettles V F, Prestwood A K, Davidson W R
J Wildl Dis. 1975 Jul;11(3):419-20. doi: 10.7589/0090-3558-11.3.419.
Chronic debilitation and anemia were observed in a free-living opossum (Didelphis marsupialis) heavily parasitized by Physaloptera turgida, Brachylaima virginianum, and Cruzia americana. Chronic interstitial pneumonia associated with Capillaria aerophila and a metastrongyloid nematode also was present.