. "differential diagnosis"^^ . . . . "00153499-n"^^ . "100144624"@en-us . . "0.25"^^ . "0.25"^^ . "100153499"^^ . . "differential diagnosis"@en-us . . . "a systematic method of diagnosing a disorder (e.g., headache) that lacks unique symptoms or signs"@en-us . . .