Two age peaks in the incidence of chronic fatigue syndrome ...

Structural brain abnormalities in postural tachycardia syndrome: A VBM-DARTEL study ... (CBF). The CBF velocity (CBFv) measured by transcranial Doppler ultrasound decreased excessively during 70° tilt in a minority of patients with intermittent hyperpnea/hypocapnia. Incremental tilt showed no difference in mean CBFv. ... Attenuation of ... ................
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