title: SERIAL GRADED EXERCISE TESTING IN FOLLOW-UP OF CORONARY ARTERY BYPASS: A PRELIMINARY REPORT.
authors.affiliation: St. Luke's Episcopal Hospital-Clayton Foundation for Research Laboratory, and the Texas Heart Institute, Houston, Texas.
authors.forename: Ulrich
authors.initials: U
authors.lastname: Busch
authors.forename: Efrain
authors.initials: E
authors.lastname: Garcia
authors.forename: Robert J.
authors.initials: RJ
authors.lastname: Hall
authors.forename: Virendra S.
authors.initials: VS
authors.lastname: Mathur
authors.forename: Carlos M.
authors.initials: CM
authors.lastname: De Castro
authors.forename: Jorge
authors.initials: J
authors.lastname: Guttin
authors.forename: Wayne E.
authors.initials: WE
authors.lastname: Dear
authors.forename: Denton A.
authors.initials: DA
authors.lastname: Cooley