C. Watkins
发表
S. Leeder,
Y. Sittampalam,
A. Wever,
1982,
International journal of epidemiology.
S. Leeder,
R. Corkhill,
C. Watkins,
1979,
Journal of epidemiology and community health.
S. Leeder,
R. Corkhill,
C. Watkins,
1979,
Journal of epidemiology and community health.
Y. Sittampalam,
J. Bartholomew,
C. Watkins,
1986,
British medical journal.