13290 Mark Gurney/Alfredo Tomasselli/Robert Heinrikson: Stay the executioner's hand. Science 14 April 2000, 283-284. Understanding amyotrophic lateral sclerosis. 13307 Mingwei Li a.o.: Functional role of caspase-1 and caspase-3 in an ALS transgenic mouse model. Science 14 April 2000, 335-339.