Randomized clinical trial of metronidazole ointment versus placebo in perianal Crohn's disease

Maeda, Y. ; Ng, S. C. ; Durdey, P. ; Burt, C. ; Torkington, J. ; Rao, P. Kumar Dhruva ; Mayberry, J. ; Moshkovska, T. ; Stone, C. D. ; Carapeti, E. ; Vaizey, C. J.

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Chichester, UK: John Wiley & Sons, Ltd

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