Experimental exposure to spruce and pine pollen. Pulmonary changes.

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@article{Brieger1962ExperimentalET, title={Experimental exposure to spruce and pine pollen. Pulmonary changes.}, author={Hubertus Brieger and C Labelle and James Goddard and Harold L. Israel}, journal={Archives of environmental health}, year={1962}, volume={4}, pages={470-6} }