A randomized, double blind, controlled, dose dependent clinical trial to evaluate the efficacy of a proanthocyanidin standardized whole cranberry (Vaccinium macrocarpon) powder on infections of the urinary tract - Sengupta, K; Alluri, K V; Golakoti, T; Gottumukkala, G V; Raavi, J; Kotchrlakota, L; Sigalan, S C; Dey, D; Ghosh, S; Chatterjee, A (Curr Bioact Compd, 2011)