[The expression of EGFR in oral lichen planus, squamous cell papilloma and squamous cell carcinoma].

Purpose: To study the role of EGFR in the genesis of squamous cell by means of observation on its expression in oral lichen planus(OLP), squamous cell papilloma (SCP)and squamous cell carcinoma(SCC).

Methods: EGFR expression was observed in 20 OLPs, 20 SCPs,20 SCCs and 5 normal oral mucosa specimen by immunohistochemistry. The number of positive cells was counted by Fromowitz method and COX-2 expression was analyzed with SPSS11.

[Analysis on theses and citation of the "Chinese Journal of Parasitology and Parasitic Diseases" in 2004-2005].

The published articles and citation of the Chinese Journal of Parasitology and Parasitic Diseases in 2004-2005 were statistically analyzed. Among 312 papers published in the two years, original articles and experiment reports occupied 42.3% and 7.

[Analysis on theses, funding ratio and impact factor of the "Chinese Journal of Parasitology and Parasitic Diseases" in 2000-2004].

Number of theses published and the major evaluation indicators of the (Chinese Journal of Parasitology and Parasitic Diseases) in 2000-2004 were analyzed. Together 833 papers and communications were published in the 5 years and the original articles, reviews and experiment reports occupied 39.4%, 9.