Item is a statement, prepared in pamphlet form, describing the Boots Pure Drug Company's brand of insulin, Insulin - Boots. Headings: 'The Insulin Treatment of Diabetes Mellitus. Type of Case and Conditions necessary for the treatment. Coma. Hypoglycaemic Reaction. Mode of Administration. Dosage.' Following first heading: 'This statement has been prepared under the direction of the Medical Research Council.'