PMID: 7388542 [PubMed - indexed for MEDLINE]
PMCID: PMC1601794
Br Med J. 1980 Jun 28; 280(6231):1620.
[Br Med J. 1980]
Clin Pediatr (Phila). 1980 Aug; 19(8):562.
[Clin Pediatr (Phila). 1980]
Klin Padiatr. 1976 May; 188(3):285-8.
[Klin Padiatr. 1976]
J Clin Pediatr Dent. 2006 Winter; 31(2):139-41.
[J Clin Pediatr Dent. 2006]
Compendium. 1993 May; 14(5):572, 574-6, 578 passim; quiz 586.
[Compendium. 1993]
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