APA

Wachtel M. S., Zhang Y., Kaye K. E., Chiriva-Internati M. & Frezza E. E. (20070927). Increased age, male gender, and cirrhosis, but not steatosis or a positive viral serology, negatively impact the life expectancy of patients who undergo liver biopsy. : Digestive diseases and sciences.

Chicago

Wachtel Mitchell S, Zhang Yan, Kaye Kim E, Chiriva-Internati Maurizio and Frezza Eldo E. 20070927. Increased age, male gender, and cirrhosis, but not steatosis or a positive viral serology, negatively impact the life expectancy of patients who undergo liver biopsy. : Digestive diseases and sciences.

Harvard

Wachtel M. S., Zhang Y., Kaye K. E., Chiriva-Internati M. and Frezza E. E. (20070927). Increased age, male gender, and cirrhosis, but not steatosis or a positive viral serology, negatively impact the life expectancy of patients who undergo liver biopsy. : Digestive diseases and sciences.

MLA

Wachtel Mitchell S, Zhang Yan, Kaye Kim E, Chiriva-Internati Maurizio and Frezza Eldo E. Increased age, male gender, and cirrhosis, but not steatosis or a positive viral serology, negatively impact the life expectancy of patients who undergo liver biopsy. : Digestive diseases and sciences. 20070927.