title: Comments on "Survey of tissue-air ratio data: a review of the literature for diagnostic radiology" by John Hale.
authors.affiliation: Regional Medical Physics Department, Newcastle General Hospital, Newcastle upon Tyne, United Kingdom.
authors.forename: R M
authors.initials: RM
authors.lastname: Harrison
mesh_terms: D000388:Air; D006801:Humans; D011859:Radiography / Q000295:instrumentation / Q000379:methods*; D014965:X-Rays