CaffeyJ.: Pediatric X-ray Diagnosis. Fifth edition. Year Book Medical publishers, Chicago 1967.
2.
HessénI.: Roentgen examination of pleural fluid. A study of the localisation of free effusions, the potentialities of diagnosing minimal quantities of fluid and its existence under physiological conditions. Acta radiol. (1951) Suppl. No. 86.
3.
HighR. H.: Diseases of the pleura. In: Disorders of the respiratory tract in children. Edited by KendigE. L.Jr W. B. Saunders Co., Philadelphia and London 1967.
4.
KendigE. L.Jr: Tuberculosis. In: Disorders of the respiratory tract in children. Edited by KendigE. L.Jr W. B. Saunders Co., Philadelphia and London 1967.
5.
EdithLincoln M.SewellE. M.: Tuberculosis in children. McGraw-Hill Book Company, New York—Toronto—London 1963.
6.
LowellJ. R.: Pleural effusion: A study of the literature. J. Okla. med. Ass.52 (1959), 510 and 582.
7.
MüllerR.LöfstedtS.: The reaction of the pleura in primary tuberculosis of the lungs. Acta med. scand.122 (1945), 105.
8.
VociV.: I versamenti liberi delia grande cavità pleurica sotto il profilo dell'indagine radiologica. Rivista sentetica e contributi statistici(In Italian.) Riv. Radiol.2 (1962), 950.