Hägg, Urban
Initial and late treatment effects of headgear-Herbst appliance with mandibular step-by-step advancement / Urban Hägg, Xi Du, A. Bakr M. Rabie
Initial and late treatment effects of headgear-Herbst appliance with mandibular step-by-step advancement / Urban Hägg, Xi Du, A. Bakr M. Rabie
Medicina dentária
Ortodontia