[Selenium in foods and in urine of school children in different zones of Venezuela].
D000818:Animals; D002648:Child; D003404:Creatinine / Q000652:urine; D004531:Eggs / Q000032:analysis*; D005504:Food Analysis; D006801:Humans; D008892:Milk / Q000032:analysis*; D011166:Porphyrins / Q000652:urine; D012643:Selenium / Q000032:analysis* / Q000506:poisoning / Q000652:urine; D014675:Vegetables / Q000032:analysis*; D014687:Venezuela
D011166:Porphyrins; D003404:Creatinine; D012643:Selenium
Selenio en alimentos y en orina de escolares de diferentes zonas de Venezuela.