RT Journal Article SR Electronic T1 An Introduction to Cell Population Kinetics JF Postgraduate Medical Journal JO Postgrad Med J FD The Fellowship of Postgraduate Medicine SP 638 OP 638 DO 10.1136/pgmj.54.635.638-c VO 54 IS 635 YR 1978 UL http://pmj.bmj.com/content/54/635/638.4.abstract AB