APA
Ashraf I., Paracha S., Paracha S., Arif M., Choudhary A., Godfrey J. D., Clark R. E., Abdullah O., Matteson M. L., Puli S. R., Ibdah J. A., Dabbagh O. & Bechtold M. L. (2012). Warfarin Use During Fecal Occult Blood Testing: A Meta-Analysis. : Gastroenterology research.
Chicago
Ashraf Imran, Paracha Shafaq, Paracha Saif-Ur-Rahman, Arif Murtaza, Choudhary Abhishek, Godfrey Jonathan D, Clark Robert E, Abdullah Obai, Matteson Michelle L, Puli Srinivas R, Ibdah Jamal A, Dabbagh Ousama and Bechtold Matthew L. 2012. Warfarin Use During Fecal Occult Blood Testing: A Meta-Analysis. : Gastroenterology research.
Harvard
Ashraf I., Paracha S., Paracha S., Arif M., Choudhary A., Godfrey J. D., Clark R. E., Abdullah O., Matteson M. L., Puli S. R., Ibdah J. A., Dabbagh O. and Bechtold M. L. (2012). Warfarin Use During Fecal Occult Blood Testing: A Meta-Analysis. : Gastroenterology research.
MLA
Ashraf Imran, Paracha Shafaq, Paracha Saif-Ur-Rahman, Arif Murtaza, Choudhary Abhishek, Godfrey Jonathan D, Clark Robert E, Abdullah Obai, Matteson Michelle L, Puli Srinivas R, Ibdah Jamal A, Dabbagh Ousama and Bechtold Matthew L. Warfarin Use During Fecal Occult Blood Testing: A Meta-Analysis. : Gastroenterology research. 2012.