Halper, H. Robert Laboratory regulation manual H. Robert Halper and Hope S. Foster ; contributing editor, Gordon K. Gayer. - Germantown, Md. Aspen Systems Corp. 1976- - 4 v. (loose-leaf) forms 26 cm. Loose-leaf for updating. Vol. 4 published: Rockville, Md. : Aspen Publishers. ISBN: 0912862297 (loose-leaf : set) LCCN: Subjects--Topical Terms: Medical laboratories--Law and legislation--United States.Laboratories--organization & administration. LC Class. No.: KF3826.L3 / H35 1976 Dewey Class. No.: 344.73/041 347.30441