@misc{indiciaec4be88eb9564, title = {Validity and reliability of combining three methods to determine ventilatory threshold.}, author = {S E Gaskill and B C Ruby and A J Walker and O A Sanchez and R C Serfass and A S Leon}, year = {2001}, doi = {10.1097/00005768-200111000-00007}, url = {https://pubmed.ncbi.nlm.nih.gov/11689733/}, note = {Source identifier: 11689733} }