1. Opening of the mastoid process Author(s): Friedenwald, Harry, 1864-1950, author Publication: [Baltimore?] : [publisher not identified], [1892?] Subject(s): Mastoid -- surgeryOtitis Media, Suppurative -- complications
2. A case of orbital cellulitis and primary mastoiditis interna complicating influenza: opening of mastoid process, recovery Author(s): Zimmermann, C. (Charles) author Publication: New York : Knickerbocker Press, [1892?] Subject(s): Orbital Cellulitis -- etiologyMastoiditis -- etiologyInfluenza, Human -- complicationsMastoid -- surgeryChild