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PURPOSE This multicenter study compared the therapeutic ratio of a monthly schedule of low-dose leucovorin (LV) and fluorouracil (5-FU) bolus with a bimonthly schedule of high-dose LV and 5-FU bolus(More)
Epidemiological and laboratory studies have suggested that exposure to polychlorinated biphenyls (PCBs) may be a risk factor for Parkinson's disease. The purpose of this study was to examine the(More)