Six sigma in the pharmaceutical industry : understanding, reducing, and controlling variation in pharmaceuticals and biologics / Brian K. Nunnally, and John S. McConnell. Nunnally, Brian K. McConnell, John S. jt. aut. 338.476151 NUS Includes bibliographical references and index. Boca Raton : CRC Press, 2007 (2017 printing). 2007 (2017 printing). 2007 Text xv, 204 p. : eng