@misc{indiciae54f53479ed97, title = {Surface active materials from dog lung. II. Composition and physiological correlations.}, author = {R J King and J A Clements}, year = {1972}, doi = {10.1152/ajplegacy.1972.223.3.715}, url = {https://pubmed.ncbi.nlm.nih.gov/5068620/}, note = {Source identifier: 5068620} }