Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLETTERS.AuthorsPetrella, Robert J.; Finestone, Albert J.; Gill, Thomas M.; DiPietro, Loretta; Krumholz, Harlan M.; Behrman, Amy J.; Thomas, David L.; Strathdee, Steffani A.; Vlahov, David; Gallagher, Brian; Wang, Zhengyan; Biggar, Robert J.; Frisch, Morten; Jager, Gerrit J.; Kritiansen, Ivar Sonbo; McAlister, Finlay A.; Straus, Sharon E.; Guyatt, Gordon H.; Demmer, Laurie A.SubjectsLETTERS to the editor; MEDICINE; EXERCISE for older people; HEPATITIS CPublicationJAMA: Journal of the American Medical Association, 2000, Vol 284, Issue 20, p2591ISSN0098-7484Publication typeLetter