@misc{indiciae4241cc4e56f4, title = {[Age changes in interalveolar septa and their relationship to a decrease in gas exchange].}, author = {N V Ustiuzhaninova and G S Shishkin}, year = {2002}, url = {https://pubmed.ncbi.nlm.nih.gov/12108111/}, note = {Source identifier: 12108111} }