| dietary sources of vitamin c, vitamin e and specific carotenoids in spain. | a cross-sectional study was conducted within the spanish cohort of the european prospective investigation in cancer and nutrition to assess the principal food sources of vitamin c, vitamin e, alpha-carotene, beta-carotene, lycopene, lutein, beta-cryptoxanthin and zeaxanthin in an adult spanish population. the study included 41446 healthy volunteers (25812 women and 15634 men), aged 29-69 years, from three spanish regions in the north (asturias, navarra and guipúzcoa) and two in the south (murcia ... | 2004 | 15182404 |