Pitfalls in using internet references.
Melnick
Arnold
A
D001319:Authorship; D004501:Education, Medical / Q000379:methods / Q000592:standards*; D006266:Health Education / Q000379:methods / Q000592:standards*; D006801:Humans; D020407:Internet / Q000592:standards*; D010358:Patient Participation; D015980:Public Health Practice