"0.25"^^ . "100683915"^^ . . . . "callosotomy"^^ . "00683915-n"^^ . "callosectomy"@en-us . . . "0"^^ . "100642669"@en-us . . . . "severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)"@en-us . "callosotomy"@en-us . . .