This industry comprises establishments primarily engaged in the merchant wholesale distribution of biological and medical products; botanical drugs and herbs; and pharmaceutical products intended for internal and external consumption in such forms as ampoules, tablets, capsules, vials, ointments, powders, solutions, and suspensions. Illustrative Examples: Antibiotics merchant wholesalers Endocrine substances merchant wholesalers Blood derivatives merchant wholesalers In-vitro and in-vivo diagnostics merchant wholesalers Botanicals merchant wholesalers Vaccines merchant wholesalers Cosmetics merchant wholesalers Vitamins merchant wholesalers Cross-References. Establishments primarily engaged in the merchant wholesale distribution of surgical, dental, and hospital equipment are classified in Industry 423450, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers.