). Further reading Lawen, A. (2003). Apoptosis – an introduction. BioEssays 25 , 888-896. [23]  ( http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12938178 ) [24]  ( http://www3.interscience.wiley.com/cgi-bin/abstract/104552885/ABSTRACT ) References Albert, M.L., Science Online, 21 Dec. 2001 ( ScienceOnline  ( http://www.sciencemag.org/feature/data/pharmacia/2001/Albert.shl ) ). Alberts, Bruce, Dennis Bray, Julian Lewis, Martin Raff, Keith Roberts & James D. Watson (1994).