R. Singh
发表
R. Singh,
M. S. Washishta,
C. Kala,
1980
.
Ram P. Singh,
R. Singh,
1998,
Nihon Hansenbyo Gakkai zasshi = Japanese journal of leprosy : official organ of the Japanese Leprosy Association.
S. Rittling,
R. Singh,
Rani Singh,
2015,
Journal of dental research.
J. Singh,
Anita . Singh,
R. Singh,
2003
.