DOI: 10.1055/s-00000049

Clinics in Colon and Rectal Surgery

References

Silverman R, Bendick PJ, Wasvary HJ.
A randomized, prospective, double-blind, placebo-controlled trial of the effect of a calcium channel blocker ointment on pain after hemorrhoidectomy 
Dis Colon Rectum 2005; 48: 1913-1916  

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