| levels of ochratoxin a in blood from norwegian and swedish blood donors and their possible correlation with food consumption. | blood levels of ochratoxin a were determined in 406 scandinavian blood donors (206 from oslo, norway, and 200 from visby on the island of gotland, sweden), using an hplc method. in connection with the blood collection, the subjects were asked to fill in a food questionnaire to obtain individual dietary information relevant to ochratoxin a exposure. the mean plasma level of ochratoxin a was 0.18 ng/ml in oslo and slightly higher, 0.21 ng/ml (p=0.046) in visby. there was no correlation between pla ... | 2001 | 11696389 |