title: The value and limits of the H reflex as a diagnostic tool in S1 root compression.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006181:H-Reflex; D006801:Humans; D009408:Nerve Compression Syndromes / Q000175:diagnosis* / Q000503:physiopathology; D012023:Reflex, Monosynaptic; D013126:Spinal Nerve Roots / Q000503:physiopathology*