Chemoprophylaxis in population with strong positive reaction to tuberculin skin test : a prospective study .
结核菌素试验强阳性人群化学预防前瞻性定群研究。
Conclusions the combinated methods of colonoscopy , biopsy and special staining for mycobacterium tuberculosis are the most effective for the diagnosis of intestinal tuberculosis . Chest x-ray and tuberculin or purified protein derivative test may improve the diagnostic rate .