title: Certification and its discontents: a history of the moratorium.
authors.affiliation: Health Education Department, San Francisco State University, CA.
authors.forename: B
authors.initials: B
authors.lastname: Ovrebo
authors.forename: J
authors.initials: J
authors.lastname: Williamson
mesh_terms: D002140:California; D002568:Certification; D006266:Health Education / Q000592:standards*; D014481:United States