006820000a22002050004500017001200000100004100012102000700053215002300060606003100083005001700114101000800131200016700139710006400306010001800370001000600388035001200394675001900406675000800425210004300433  a0000381  a07101998d        k  y0frey50      ba  aUS  a341 p.cil.d25 cm  aCirurgia pré-protética20251209142602.00 aeng1 aEfficacy of treatment procedures in periodonticsfComission of the european Communities, Commitee on Medical and Public Health Researchgeditado por D. B. Stanley02aWorkshop at Trinity College Dublin UniversitybDublin, 1979  a0-9313864-3-885393  a0000385  a616.314:616-08  aEFF  aChicagocQuintessence Publishingd1980