"a rare abnormality marked by premature aging (grey hair and wrinkled skin and stooped posture) in a child"@en-us . "0.5"^^ . "14468348-n"^^ . . . . "0"^^ . "114468348"^^ . . "113646820"@en-us . "progeria"^^ . . "progeria"@en-us . . . . . .