Settnes O P, Hasselager E
Nord Vet Med. 1984 May-Jun;36(5-6):179-81.
Lungs from 106 normal dogs and 75 normal cats were examined for Pneumocystis carinii by microscopy of toluidine blue O stained imprints. Pneumocysts were demonstrated in 1 dog and 3 cats. It is suggested that these animals may constitute a part of the natural reservoir for this parasite.