@misc{indiciae33f750925ce8, title = {An exercise prescription intervention program with periodic ergometric grading.}, author = {C A Owen and E F Beard and P C Thomas and H A Wallace}, year = {1971}, doi = {10.1097/00043764-197106000-00001}, url = {https://pubmed.ncbi.nlm.nih.gov/5581820/}, note = {Source identifier: 5581820} }