APA

Underwood D. D., Amos J. C., Venables C. W., Bardhan K. D., Beresford J., Haliburn C., McCarthy C. F. & Weir D. G. (19911219). Three computer models for the calculation of prevalence of peptic ulcer disease during long-term treatment. : Alimentary pharmacology & therapeutics.

Chicago

Underwood D D, Amos J C, Venables C W, Bardhan K D, Beresford J, Haliburn C, McCarthy C F and Weir D G. 19911219. Three computer models for the calculation of prevalence of peptic ulcer disease during long-term treatment. : Alimentary pharmacology & therapeutics.

Harvard

Underwood D. D., Amos J. C., Venables C. W., Bardhan K. D., Beresford J., Haliburn C., McCarthy C. F. and Weir D. G. (19911219). Three computer models for the calculation of prevalence of peptic ulcer disease during long-term treatment. : Alimentary pharmacology & therapeutics.

MLA

Underwood D D, Amos J C, Venables C W, Bardhan K D, Beresford J, Haliburn C, McCarthy C F and Weir D G. Three computer models for the calculation of prevalence of peptic ulcer disease during long-term treatment. : Alimentary pharmacology & therapeutics. 19911219.