Source:
European journal of orthodontics [Eur J Orthod] 1993 Oct; Vol. 15 (5), pp. 393-401.Publisher: Oxford University Press Country of Publication: England NLM ID: 7909010 Publication Model: Print Cited Medium: Print ISSN: 0141-5387
Source:
British journal of orthodontics [Br J Orthod] 1993 Aug; Vol. 20 (3), pp. 255-6.Publisher: Oxford University Press Country of Publication: England NLM ID: 0376035 Publication Model: Print Cited Medium: Print ISSN: 0301-228X