- SLS-containing toothpaste,
compared with an SLS-free toothpaste, see
Herlofson BB,
Barkvoll P (June 1996). "The
effect of two
toothpaste detergents on the frequency...
- 1002/14651858.CD010743.pub2. PMC 9345289. PMID 25809586.
Herlofson BB,
Barkvoll P (October 1994). "Sodium
lauryl sulfate and
recurrent aphthous ulcers...
- Machine. Dentalgentlecare.com.
Retrieved on
April 4, 2013.
Herlofson BB,
Barkvoll P (June 1996). "The
effect of two
toothpaste detergents on the frequency...
- ISSN 1436-6207. PMC 7501109. PMID 31853641. Skaare, Anne; Kjærheim, Vibeke;
Barkvoll, Pål; Rølla,
Gunnar (1997-01-01). "Skin
Reactions and
Irritation Potential...