Chinese Journal of Dermatology ›› 1997, Vol. 30 ›› Issue (4): 286-287.

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  1. 中国医学科学院, 中国协和医科大学北京协和医院, 北京 100730
  • Received:1996-11-22 Revised:1997-05-04 Online:1997-08-15 Published:1997-08-15