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Michael J. Root:Inhibition of the amorphous calcium phosphate phase transformation reaction by polyphosphates and metal ions. In: Calcified Tissue International. Band47, Nr.2, August 1990, ISSN0171-967X, S.112–116, doi:10.1007/BF02555994 (springer.com[abgerufen am 2.März 2023]).
Michael J. Root:Inhibition of the amorphous calcium phosphate phase transformation reaction by polyphosphates and metal ions. In: Calcified Tissue International. Band47, Nr.2, August 1990, ISSN0171-967X, S.112–116, doi:10.1007/BF02555994 (springer.com[abgerufen am 2.März 2023]).
G. Klinger: Sulcus fluid flow rate in relation to hormonal influence. In: Stomatologie der DDR. Band 32, Nummer 1, Januar 1982, S.53–55, ISSN0302-4725. PMID 7043801