130578 EA electroacupuncture 4902 897080 EAP electroacupuncture 38 895505 EAc electroacupuncture 16 2021254 E-acupuncture electro-acupuncture 3 2616834 E-Apu electroacupuncture 1 2642401 ELEC electroacupuncture 1 145802 EP electroacupuncture 1