16 Printed matter, namely, training and educational materials in the nature of printed books, magazines, newsletters featuring medical information; instructional and teaching material except apparatus, namely, printed medical educational and training materials in the nature of books, magazines, newsletters; printed educational publications in the nature of books, journals, manuals in the field of medical education, training and conferences; printed publications, namely, booklets, catalogues, informational flyers, information booklets, information books, magazines and periodicals, newsletters, printed brochures, printed pamphlets, books, printed guides, printed manuals, printed reports, printed seminar notes, printed research reports, prospectuses, all in the field of medical education, training and conferences