HildingA. C.: Production of Negative Pressure in the Respiratory Tract by Ciliary Action and Its Relation to Post-Operative Atelectasis, Anesthesiology5:225–236 (May) 1944.
2.
CarlsonA. J.: Discussion of paper by Hilding, A. C., Role of Ciliary Action in Pulmonary Atelectasis, Vacuum in Parnasal Sinuses and in Otitis Media, Tr. Am. Acad. Ophth. & Otol., July-Aug., 1944, pp. 1-12.
