APA
(1993). An International Journal of gastroenterology an hepatology. Journal. London: BMJ.
Chicago
1993. An International Journal of gastroenterology an hepatology. Journal. London: BMJ.
Harvard
(1993). An International Journal of gastroenterology an hepatology. Journal. London: BMJ.
MLA
An International Journal of gastroenterology an hepatology. Journal. London: BMJ. 1993.
