Are there low-penetrance TP53 Alleles? evidence from childhood adrenocortical tumors. - Varley,J.M.; McGown,G.; Thorncroft,M.; James,L.A.; Margison,G.P.; Forster,G.; Evans,D.G.; Harris,M.; Kelsey,A.M.; Birch,J.M. (Am J Hum Genet, 1999)