APA

Cook D., Guyatt G., Marshall J., Leasa D., Fuller H., Hall R., Peters S., Rutledge F., Griffith L., McLellan A., Wood G. & Kirby A. (19980319). A comparison of sucralfate and ranitidine for the prevention of upper gastrointestinal bleeding in patients requiring mechanical ventilation. Canadian Critical Care Trials Group. : The New England journal of medicine.

Chicago

Cook D, Guyatt G, Marshall J, Leasa D, Fuller H, Hall R, Peters S, Rutledge F, Griffith L, McLellan A, Wood G and Kirby A. 19980319. A comparison of sucralfate and ranitidine for the prevention of upper gastrointestinal bleeding in patients requiring mechanical ventilation. Canadian Critical Care Trials Group. : The New England journal of medicine.

Harvard

Cook D., Guyatt G., Marshall J., Leasa D., Fuller H., Hall R., Peters S., Rutledge F., Griffith L., McLellan A., Wood G. and Kirby A. (19980319). A comparison of sucralfate and ranitidine for the prevention of upper gastrointestinal bleeding in patients requiring mechanical ventilation. Canadian Critical Care Trials Group. : The New England journal of medicine.

MLA

Cook D, Guyatt G, Marshall J, Leasa D, Fuller H, Hall R, Peters S, Rutledge F, Griffith L, McLellan A, Wood G and Kirby A. A comparison of sucralfate and ranitidine for the prevention of upper gastrointestinal bleeding in patients requiring mechanical ventilation. Canadian Critical Care Trials Group. : The New England journal of medicine. 19980319.