RT Journal T1 SUddenly, 64 stem cell lines JF JAMA JO JAMA YR 2001 FD September 12 VO 286 IS 10 SP 1163 OP 1164 DO 10.1001/jama.286.10.1163 UL http://dx.doi.org/10.1001/jama.286.10.1163 AB