Clinical effect analysis of pulsed electromagnetic fields on primary insomnia.Published in:Chinese Journal of Contemporary Neurology & Neurosurgery, 2023, v. 23, n. 8, p. 709, doi. 10.3969/j.issn.1672-6731.2023.08.009By:TIAN Ya-yun;LI Gang;WANG Ming-wei;YU Qi-jun;CAO Kai;MA Qin-yingPublication type:Article