R. A. Johnson

发表

W. D. Li, Y. Sato, A. V. Filippenko, 2000 .

R. A. Johnson, H. Jagger, A. Bender, 1990, American journal of epidemiology.

R. A. Johnson, J. Mandel, R. Gibson, 1993, Epidemiology.

R. A. Johnson, A. Bender, A. N. Williams, 1990, American journal of epidemiology.

R. A. Johnson, 1990, Journal of the American Statistical Association.

R. A. Johnson, J. Hoffmann, Robert A. Johnson, 2000, Journal of health and social behavior.