Absorption of Intact Protein Molecules across the Pulmonary Air-Tissue Barrier

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Science  08 Sep 1967:
Vol. 157, Issue 3793, pp. 1204-1206
DOI: 10.1126/science.157.3793.1204


The majority of heterologous serum albumin and globulin molecules introduced into the pulmonary alveoli of dogs are absorbed into the circulatory system antigenically intact. This function of the alveoli has both physiologic and pathologic importance.