The birds.
Springston
J P
JP
Indoor Environmental Quality Services, Ambient Labs, Inc., New York City, USA.
D016902:Air Pollution, Indoor; D000818:Animals; D010856:Columbidae / Q000382:microbiology; D003453:Cryptococcosis / Q000209:etiology / Q000517:prevention & control; D006660:Histoplasmosis / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology / Q000517:prevention & control; D014691:Ventilation