Costs of medical educational materials: a survey.
D001296:Audiovisual Aids; D001877:Books; D003365:Costs and Cost Analysis; D004501:Education, Medical; D006405:Hematology / Q000193:education; D008370:Manuals as Topic; D009820:Ohio; D011643:Publishing; D013664:Teaching Materials; D014481:United States; D014861:Washington