Lippman S M, Lotan R, Schleuniger U
Department of Clinical Cancer Prevention, University of Texas, M.D. Anderson Cancer Center, Houston 77030, USA.
Int J Cancer. 1997 Feb 7;70(4):481-3. doi: 10.1002/(sici)1097-0215(19970207)70:4<481::aid-ijc20>3.0.co;2-h.