HRAS and Costello syndrome: 9 Aoki Aoki Y Y Niihori Niihori T T Kawame Kawame H H Kurosawa Kurosawa K K Ohashi Ohashi H H Tanaka Tanaka Y Y Filocamo Filocamo M M Kato Kato K K Suzuki Suzuki Y Y Kure Kure S S Matsubara Matsubara Y Y Germline mutations in HRAS proto-oncogene cause Costello syndrome Germline mutations in HRAS proto-oncogene cause Costello syndrome Nat Genet Nat Genet 2005 2005 37 37 10 10 1038 1038 40 40 16170316 16170316