K. Ratnam
发表
M. Peters,
K. V. Ratnam,
W. Su,
1991,
Journal of the American Academy of Dermatology.
Y. Lee,
K. V. Ratnam,
C. Khor,
1995,
Annals of the Academy of Medicine, Singapore.
K. V. Ratnam,
S. K. Ng,
T. Tan,
1985,
Singapore medical journal.
K. V. Ratnam,
C. K. Tan,
K. L. Phay,
1990,
International journal of dermatology.
K. V. Ratnam,
B. Pang,
K. Ratnam,
1994,
Journal of the American Academy of Dermatology.
K. Ratnam,
1988,
International journal of dermatology.
C. T. Lee,
T. Tan,
K. V. Ratnam,
1986,
International journal of dermatology.