title: The Long-Term Effects of Playing Tennis.
abstract: In 50 years of competitive tennis these super seniors have stayed in good condition and overcome problems ranging from tennis shoulder to heart disease.
authors.forename: D N
authors.initials: DN
authors.lastname: Kulund
authors.forename: D A
authors.initials: DA
authors.lastname: Rockwell
authors.forename: C E
authors.initials: CE
authors.lastname: Brubaker