Risk factors for cutaneous warts and the influence factors of curative effect of 5-flurouracil therapy in southern China.

Background: To systematically explore the risk factors of cutaneous warts and influence factor for the effectiveness of 5-fluorouracil (5-FU).

Methods: This is a case-control study of 408 cutaneous warts patients and 408 controls of Chinese Han population in southern China. In addition, 244 patients who presented with an initial episode of warts without treatment were treated with intralesional 5-FU.

[Photosynthetic characteristics of Emmenopterys henryi seedlings and their relationships with environmental factors].

To find appropriate environment for Emmenopterys henryi seedlings and develop corresponding strategies for their natural regeneration, the net photosynthetic rate, water use efficiency, chlorophyll content, height, basal diameter and biomass of two-year old seedlings and the relationships with environmental factors were studied in different habitats, i.e., undercanopy, crown edge, forest gap, and forest edge.