- Chik Chak clinical study reported in medical journalism: 1st Med Assoc. Journal, Oct 2002; 4(10):790-3, ”The in vivo pediculicidal efficacy of a natural remedy”; Mumcuoglu KY, Zamir C, Zentner G., Helbin V., Ingber A.
- Paranix clinical study reported in medical journalism: Eur J Pediatr, 2005, ”Efficacy and safety of a new non-pesticide lice removal product”; Scanni G., Bonifazi E. Link
- Chik Chak clinical study reported in medical journalism: Eur J Pediatr, April 2009, ”Clinical trial showing superiority of a coconut and anise spray over permethrin 0.43 lotion for head louse infestation”; Ian F Burgess, et al. Link