title: Liquid nitrogen under the microscope: review of recent rulings, discussion on various grades, and considerations in evaluating supplier source.
authors.affiliation: University of Toledo College of Medicine, Toledo, OH, USA; Ohio University College of Osteopathic Medicine, Sylvania, OH, USA.
authors.forename: Craig G
authors.initials: CG
authors.lastname: Burkhart
authors.forename: Craig N
authors.initials: CN
authors.lastname: Burkhart
mesh_terms: D003880:Dermatology; D017277:Drug Approval; D006801:Humans; D009584:Nitrogen / Q000008:administration & dosage / Q000191:economics / Q000592:standards / Q000627:therapeutic use*; D012871:Skin Diseases / Q000188:drug therapy* / Q000191:economics; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D009584:Nitrogen