91 Singer Singer W W Opfer-Gehrking Opfer-Gehrking TL TL Nickander Nickander KK KK Hines Hines SM SM Low Low PA PA Acetylcholinesterase inhibition in patients with orthostatic intolerance Acetylcholinesterase inhibition in patients with orthostatic intolerance J Clin Neurophysiol J Clin Neurophysiol 2006 2006 23 23 5 5 476 476 481 481 17016160 17016160 91. Here, ACHE is linked to postural orthostatic tachycardia syndrome.