References
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- Davis (1932) Sinusitis in children. Annals of Otol., Rhinol. and Laryngol., 41, p. S. 493.
- Donaldson, Bachman (1938) Maxillary sinusitis associated with pneumonia as seen in the winter of 1936. Amer. Journ. of Roentgenol., 39, p. S. 202.
- Dunham, Skavlem (1923) Sinus disease and lung infections. Journ. of Radiology, 4, p. S. 37.
- Manges (1932) Accessory nasal sinus disease and associated lung lesions in children. Arch, of Pediatrics, 49, p. S. 141.
- Mullin (1926) The relation of paranasal sinus infection to disease of the lower respiratory tract. J. A. M. A., 87, p. S. 739.
- Oppenheimer (1919) Accessory nasal sinuses of children. J. A. M. A., 73, p. S. 656.