Alexander J. D. H., 1953, Arch Intern Med (Chic.), 91, 440, 10.1001/archinte.1953.00240160026003
Bastrup-Madsen P., 1955, Acta Med Scand, 101, 135, 10.1111/j.0954-6820.1955.tb10275.x
Bauer E, 1963, Z Laryng Rhinol Otol, 42, 74
Cawthorne T, 1955, J Laryng, 69, 579, 10.1017/S0022215100051148
Courville C. B, 1955, Laryngoscope, 65, 31, 10.1288/00005537-195502000-00001
Davison F. W, 1955, Laryngoscope, 65, 142, 10.1288/00005537-195503000-00004
Derlacki E, 1963, Laryngoscope, 73, 501, 10.1288/00005537-196305000-00001
Dixon J. W, 1958, J Laryng, 72, 227, 10.1017/S0022215100053846
Goodale R. L., 1955, Ann Otol, 64, 181
Hara H. J, 1956, Laryngoscope, 66, 1049, 10.1288/00005537-195608000-00006
Harpman J. A, 1948, J Laryng, 62, 11, 10.1017/S0022215100008616
Juselius H, 1962, Acta Otolaryng (Stockh.), 55, 393, 10.3109/00016486209127375
Kessler L., 1970, Z Laryng Rhinol Otol, 49, 93
Krajina Z, 1956, Pract Otorhinolaryng (Basel), 18, 1
McKenzie W, 1958, Arch Otolaryng (Chic.), 67, 417, 10.1001/archotol.1958.00730010429006
McLay K, 1954, J Laryng, 68, 140, 10.1017/S0022215100049471
Moser F., 1966, Hals-Nasen-Ohrenheilkunde, 2, 1429
Ojala L., 1953, Nord Med, 50, 1455
Paavolainen M, 1967, Acta Otolaryng (Stockh.), 360, 10.3109/00016486709123605
Palva T., 1959, J Laryng, 73, 573, 10.1017/S0022215100055742
Palva T., 1954, Acta Otolaryng (Stockh.), 241, 10.3109/00016485409130300
Pennybacker J, 1961, Proc Roy Soc Med, 54, 309, 10.1177/003591576105400415
Proctor C. A, 1966, Laryngoscope, 76, 288, 10.1288/00005537-196602000-00008
Siirala U, 1963, Acta Otolaryng (Stockh.), 9
Tarkkanen J, 1963, Acta Otolaryng (Stockh.)
Waring S. J., 1944, JAMA, 126, 418, 10.1001/jama.1944.02850420016004
