Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) William K. Hamilton and Stuart C. Cullen,EFFECT OF LEVALLOEPHAN TAETRATE UPON OPIATE INDUCED RESPIRATORY DEPRESSION,Anesthesiology,0003-3022,Ovid Technologies (Wolters Kluwer Health),1953-11-01,14,6,550-554,https://cir.nii.ac.jp/crid/1360861714568185728,https://doi.org/10.1097/00000542-195311000-00002