title: Distinguishing smallpox from chickenpox.
authors.affiliation: Carolinas Medical Center, USA.
authors.forename: Roger D
authors.initials: RD
authors.lastname: Lovell
mesh_terms: D002644:Chickenpox / Q000175:diagnosis* / Q000503:physiopathology / Q000635:transmission; D003937:Diagnosis, Differential; D006801:Humans; D017053:Infection Control; D011482:Protective Devices; D012899:Smallpox / Q000175:diagnosis* / Q000503:physiopathology / Q000635:transmission