Detection of genomic mutations in katG, inhA and rpoB genes of Mycobacterium tuberculosis isolates using polymerase chain reaction and multiplex allele-specific polymerase chain reaction Azar Dokht Khosravi, Hamed Goodarzi, Seyed Mohammad Alavi

Validity of the polymerase chain reaction in the diagnosis of clinically suspected cases of American visceral leishmaniasis Celia Maria Silva Pedrosa, Ricardo Arraes de Alencar Ximenes, Wendell Alexandre Pinheiro de Almeida, Eliana Maria Mauricio da Rocha

Value of real-time polymerase chain reaction in bronchoalveolar lavage fluid for diagnosis of pediatric pulmonary tuberculosis Xinfeng Wang, YanHua Wu, Kaihui Zhang, Cuiping Guan, Xusheng Gao, Maoshui Wang