The design of the community tracking study: a longitudinal study of health system change and its effects on people.
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P Kemper | P J Cunningham | J M Grossman | R F St Peter | L. Kohn | P. Ginsburg | J. Grossman | P. Cunningham | P. Kemper | R. S. St Peter | D Blumenthal | J M Corrigan | S M Felt | L T Kohn | C E Metcalf | R C Strouse | P B Ginsburg | C. Metcalf | D. Blumenthal | R. Strouse | S. Felt | J. M. Corrigan | Peter Kemper | Corrigan Jm | Peter J. Cunningham | Felt Sm | Grossman Jm | Metcalf Ce | St Peter Rf | Strouse Rc | Paul B. Ginsburg