@misc{indiciaedefa7a4d3530, title = {Vectorcardiographic changes during extended space flight}, author = {Smith, R. F. and Stanton, K. and Stoop, D. and Brown, D. and Janusz, W. and King, P.}, year = {1974}, url = {https://ntrs.nasa.gov/citations/19750006320}, note = {Source identifier: 19750006320} }