S. Leff
发表
S. Leff,
1950
.
S. Leff,
P. Mills,
1955,
Medical world.
S. Leff,
1956,
Annals of the rheumatic diseases.
C. Stuart-harris,
S. Leff,
G. Watson,
1961,
Proceedings of the Royal Society of Medicine.
S. Leff,
J. Mayers,
1953
.
S. Leff,
V. Leff,
1965
.