Printed matter being printed surveys in the field of medicine; printed matter for medical purposes, namely, printed surveys in the field of medical implantable devices; printed matter related to clinical trials, namely, printed surveys in the field of orthopaedic surgery; printed publications, namely, surveys, questionnaires, patient assessment forms, clinical evaluation forms in the field of medical implantable devices; printed medical questionnaires on pre-and post-operative orthopaedic out...