Salmonella enterica serovar Typhi and gallbladder cancer: a case-control study and meta-analysis.
Koshiol J , Wozniak A, Cook P, Adaniel C, Acevedo J, Azocar L, Hsing AW, Roa JC , Pasetti MF, Miquel JF, Levine MM, Ferreccio C ; Gallbladder Cancer Chile Working Group..