STELTER, G P The developmental and adult anatomy of the air-cells in the petrous part of the temporal bone. [electronic resource] - Quarterly bulletin. Northwestern University (Evanston, Ill.). Medical School 1960 - 23-37 p. digital Publication Type: Journal Article Subjects--Topical Terms: AdultHistological TechniquesHumansPetrous Bone--anatomy & histologyTemporal BoneTorso