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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: AAPS PharmSciTech. 2018 Jun 25;19(8):3388–3402. doi: 10.1208/s12249-018-1097-x

Fig. 5.

Fig. 5.

a Goyanes et al. have studied the geometry of the oral dosages influence on the drug release profiles (66). b Zhang et al. have investigated the density gradient structure and correlate to the drug release profile as well as produce the zero-order released drug products (26). c Sadia et al. have present novel oral dosages with engineered channels within the immediate release tablet design. (73)