Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KREITEL KD,The effects of diphenhydramine and SR142948 on periaqueductal gray neurons and on the interactions between the medial preoptic nucleus and the periaqueductal gray,Neuroscience,,,2002,114,,935-943,https://cir.nii.ac.jp/crid/1573950400949668864,https://doi.org/10.1016/s0306-4522(02)00360-3