Issues involved in the definition and classification of chronic health conditions

E. C. Perrin, P. Newacheck, I. B. Pless, D. Drotar, S. L. Gortmaker, J. Leventhal, J. M. Perrin, R. E.K. Stein, D. K. Walker, M. Weitzman

Research output: Contribution to journal › Review article › peer-review