NICKOLAY, T., MCGREGOR, G., POWELL, R., BEGG, B., BIRKETT, S., NICHOLS, S., ENNIS, S., BANERJEE, P., SHAVE, R., METCALFE, J., HOYE, A. and INGLE, L. 2024. Inter- and intra-observer reliability and agreement of O2Pulse inflection during cardiopulmonary exercise testing: a comparison of subjective and novel objective methodology. PLoS one [online], 19(3), article number e0299486. Available from: https://doi.org/10.1371/journal.pone.0299486