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5986149 
Journal Article 
A new oral gelatinized sustained-release dosage form 
Tanaka, N; Takino, S; Utsumi, I 
1963 
Yes 
Journal of Pharmaceutical Sciences
ISSN: 0022-3549
EISSN: 1520-6017 
52 
664-667 
English 
A new sustained-release micropellet was prepared which takes advantage of the relationship of gelatin solubility to the hardness of the gelatin caused by formalin treatment. This new gelatin micropellet could be produced more easily than the coated micropellet employed in the usual sustained-release dosage forms.