Joos, U [Effect of collagen, hydroxylapatite and Geslastypt-S on a cell culture]. [electronic resource] - Deutsche zahnarztliche Zeitschrift Jan 1982 - 22-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0012-1029 Subjects--Topical Terms: AnimalsCells, CulturedCollagen--pharmacologyDental Pulp--drug effectsDrug Combinations--pharmacologyDrug Evaluation, PreclinicalGelatin Sponge, Absorbable--pharmacologyGingiva--drug effectsHumansHydroxyapatites--pharmacologyL Cells--drug effectsMiceTime FactorsUrea--analogs & derivatives