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Release profiles of TPH in phosphate buffer (pH=7.4) at 37 °C from tablets prepared with the CCP polymer and with a gellan/Scgl weight ratio equal to 85/15. Experiments were carried out in the absence and in the, presence of Ca+2. CCP, r=0 (●); CCP, r=3 (▲); gellan/Sclg 85/15, r=0 (○); gellan/Sclg 85/15, r=3 (Δ).
