1. Changes in the circadian rhythm of mRNA expression for µ‐opioid receptors in the periaqueductal gray under a neuropathic pain‐like state. Issue 5 (8th February 2013) Authors: Takada, Tomohiko; Yamashita, Akira; Date, Akitoshi; Yanase, Makoto; Suhara, Yuki; Hamada, Asami; Sakai, Hiroyasu; Ikegami, Daigo; Iseki, Masako; Inada, Eiichi; Narita, Minoru Journal: Synapse Issue: Volume 67:Issue 5(2013:May) Page Start: 216 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗