@misc{indiciae85d2c4ae016c, title = {Quantitative analysis of segmental wall motion during maximal upright dynamic exercise: variability in normal adults.}, author = {L E Ginzton and R Conant and M Brizendine and T Thigpen and M M Laks}, year = {1986}, doi = {10.1161/01.cir.73.2.268}, url = {https://pubmed.ncbi.nlm.nih.gov/3943161/}, note = {Source identifier: 3943161} }