Authors: Mark J Rapoport; Nathan Herrmann; Frank J Molnar; Malcolm Man-Son-Hing; Shawn C Marshall; Ken Shulman; Gary Naglie Journal: CMAJ Date: 2007-09-11 Impact factor: 8.262
Authors: R A Marottoli; C F Mendes de Leon; T A Glass; C S Williams; L M Cooney; L F Berkman; M E Tinetti Journal: J Am Geriatr Soc Date: 1997-02 Impact factor: 5.562