[Our bewilderment concerning the article by E. E. Platonov and A. I. Betel'man].
D008310:Malocclusion; D009971:Orthodontics, Corrective; D010510:Periodontal Diseases
Nashi nedochmeniia po povodu stateĭ E. E. Platonova i A. I. Betel'mana.