Bio-Medical Materials and Engineering · 2017 · 72 citations · 18 references
Among the results obtained by indirect methods, radioactive and fluorescent methods showed more reliable. Moreover, NaOH and radioactive methods were the most reliable methods among the direct methods.
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Dolores Blanco, Marı́a José Alonso · European Journal of Pharmaceutics and Biopharmaceutics · 1998 · 245 citations