Soberman A.
J Oral Med. 1978 Jul-Sep;33(3):71.
PMID: 366090

[No authors listed]
J Dent Educ. 1979 Feb;43(2):68-9.
PMID: 368097

[No authors listed]
J Int Coll Surg. 1958 Sep;30(3):suppl 37.
PMID: 13588091

Sazama L.
Cesk Stomatol. 1977 Jul;77(4):318-9.
PMID: 332389

[No authors listed]
Dent Radiogr Photogr. 1967;40(4):68, 90.
PMID: 4863624

Forrest WR, Christen AG.
J Ala Dent Assoc. 1983;67(1):55-8.
PMID: 6341432

[No authors listed]
Yale J Biol Med. 1940 Dec;13(2):284.4-292.
PMID: 21433944