title: Difficult anatomies: just hold your (patient's) breath.
authors.forename: Jack P
authors.initials: JP
authors.lastname: Chen
mesh_terms: D006328:Cardiac Catheterization / Q000379:methods*; D003331:Coronary Vessels / Q000033:anatomy & histology; D003964:Diaphragm / Q000033:anatomy & histology; D006801:Humans; D001239:Inhalation