Health Education Aide Trainee project.
D002140:California; D003153:Community Health Services; D005006:Ethnicity; D006266:Health Education; D006281:Health Occupations / Q000193:education*; D006280:Health Workforce / Q000706:statistics & numerical data; D007398:Interpersonal Relations; D009369:Neoplasms / Q000517:prevention & control; D014837:Voluntary Health Agencies; D014838:Volunteers