@misc{indiciae3c274e3a8d14, title = {[Morbidity studies on athletes].}, author = {K M Smirnov and F I BogoslovskiÄ­ and N T Litovchenko}, year = {1965}, url = {https://pubmed.ncbi.nlm.nih.gov/5177398/}, note = {Source identifier: 5177398} }