title: Challenges of complementary and alternative medicine research.
authors.forename: Keith I
authors.initials: KI
authors.lastname: Block
mesh_terms: D001291:Attitude of Health Personnel; D035843:Biomedical Research / Q000639:trends; D000529:Complementary Therapies / Q000193:education / Q000639:trends*; D004501:Education, Medical; D019538:Health Care Surveys; D006801:Humans