Benoist M.
Rev Prat. 1972 Feb 21;6:Suppl:1.
PMID: 5036332

Formicola AJ.
J Dent Educ. 1999 Aug;63(8):609-10.
PMID: 10478194

Kerrigan RW.
Science. 1996 Feb 09;271(5250):745a. doi: 10.1126/science.271.5250.745a.
PMID: 17796301

Costerton JW.
Science. 1996 Feb 09;271(5250):746b. doi: 10.1126/science.271.5250.746b.
PMID: 17796305

Kidd CV.
Science. 1973 Jun 01;180(4089):908. doi: 10.1126/science.180.4089.908.
PMID: 17735909

Weaver R.
J Dent Educ. 1999 Aug;63(8):626-34.
PMID: 10478197

Miller R.
Dent Stud. 1981 Feb;59(5):16, 18-9, 21-2 passim.
PMID: 6949804