... inbacterial populations were seen between patients whorecently had a colon polyp removed, Japanese-Hawaiians,North American Caucasians, native rural Japanese, and rural native Africans. Lactobacillus ... Schuurman AG, Goldbohm RA, Brants HA, van den Brandt PA: A prospective cohort study on intake of retinol, vitamins C and E, and carotenoids and prostate cancer risk (Netherlands).Cancer Causes ... MD, Balmes J, Cullen MR,Glass A, Keogh JP, Meyskens FL, Valanis B, Williams JH, Barnhart S,Hammar S: Effects of a combination of beta carotene and vita-min A on lung cancer and cardiovascular...