TY - RPRT TI - Utility of P waves in exercise testing. AU - Myrvin H Ellestad AU - Ronald Startt-Selvester PY - 2006 DO - 10.1016/j.amjcard.2005.11.021 UR - https://pubmed.ncbi.nlm.nih.gov/16563934/ ID - 16563934 ER -