title: A SIMPLE, INEXPENSIVE WAY TO MONITOR ELECTROCARDIOGRAMS ON AN ACTIVELY EXERCISING SUBJECT. TECHN DOCUM REP NO. SAM-TDR-64-38.
mesh_terms: D020811:Biomedical Technology; D004562:Electrocardiography; D013677:Medical Laboratory Science; D008991:Monitoring, Physiologic; D005082:Physical Exertion; D013672:Technology
keywords: ELECTROCARDIOGRAPHY; EXERTION; TECHNOLOGY, MEDICAL