Educational publications, namely, training manuals in the field of clinical laboratory procedures; Manuals in the field of clinical laboratory procedures; Printed guides for clinical laboratory procedures used in connection with educational laboratory accreditation programs

a Scientific Catalogue Published Annually Listing, Among Other Items of Scientific Interest: Chemicals, Scientific Instruments, Equipment and Services, and the Manufacturers and Distributors Thereof

Scientific Catalogue Published Annually Listing, Among Other Items of Scientific Interest; Chemicals, Scientific Instruments, Equipment and Services, and the Manufacturers and Distributors Thereof