Health education: where are you?
D000293:Adolescent; D000328:Adult; D000368:Aged; D006266:Health Education; D006801:Humans; D007454:Iodides; D008875:Middle Aged; D009520:New Zealand; D012965:Sodium Chloride; D013338:Students, Nursing; D011795:Surveys and Questionnaires
D007454:Iodides; D012965:Sodium Chloride