Experimental exposure to spruce and pine pollen. Pulmonary changes.
D006801:Humans; D008169:Lung Abscess; D028222:Picea; D011058:Pollen / Q000633:toxicity*; D012507:Sarcoidosis / Q000209:etiology*
LUNG ABSCESS/experimental; POLLEN/toxicology; SARCOIDOSIS/etiology