"A bird in the house is worse than two in the coop".
Zacharisen
Michael C
MC
D016902:Air Pollution, Indoor / Q000009:adverse effects; D000818:Animals; D001716:Bird Fancier's Lung / Q000209:etiology*; D010856:Columbidae; D005060:Europe; D006801:Humans; D015995:Prevalence; D014481:United States