H. Liu

Increasing relative prevalence of HSV-2 infection among men with genital ulcers from a mining community in South Africa

S. Morse, Y. Htun, R. Ballard, 2003, Sexually transmitted infections.

Storage temperature effect on the stability of morphine and codeine in urine.

H. Liu, D. Lin, C. Y. Chen, 1995, Journal of analytical toxicology.