[No authors listed]
Bull San Diego Cty Dent Soc. 1968 Oct;38(10):11.
PMID: 5246114

Yeager AL.
J N J State Dent Soc. 1968 Sep;40(1):12-3 passim.
PMID: 5246265

Zeilig G.
UJCD Union Jeunes Chir Dent. 1968 Mar;32:7.
PMID: 5260518

[No authors listed]
J Dent Que. 1971 Feb;8(2):4-5.
PMID: 5282819

Weber FN.
J Am Coll Dent. 1967 Oct;34(4):250-4.
PMID: 5233826

Freidel DA.
Science. 1987 May 22;236(4804):1004-5. doi: 10.1126/science.236.4804.1004-a.
PMID: 17812783

Taleb C, Nectoux E, Awada T, Liverneaux P.
J Brachial Plex Peripher Nerve Inj. 2013 Jul 01;8(1):6. doi: 10.1186/1749-7221-8-6.
PMID: 23816224