Effect of sulfasalazine on biopsy mucosal pathology and histological grading of patients with the mild and moderate active ulcerative colitis是什么意思_Effect of sulfasalazine on biopsy mucosal pathology and histological grading of patients with the mild and moderate active ulcerative colitis在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句