REFERENCES
- Vervaet C., Baert L., Remon J. P. Extrusion-Spheronisation. A Literature Review. Int. J. Pharm. 1995; 116: 131–146
- Chapman S. R., Rowe R. C., Newton J. M. Characterization of the Sphericity of Particles by the One Plane Critical Stability. J. Pharm. Pharmacol 1988; 40: 503–505
- Hellén L., Yliruusi J. Process Variables of Instant Granulator and Spheroniser: III. Shape and Shape Distributions of Pellets. Int. J. Pharm 1993; 96: 217–223
- Podczeck F., Newton J. M. A Shape Factor to Characterize the Quality of Spheroids. J. Pharm. Pharmacol 1994; 46: 82–85
- Heywood H. Particle Shape Coefficients. J. Imp. Coll. Chem. Eng. Soc 1954; 8: 25–33
- Podczeck F., Newton J. M. The Evaluation of a Three-Dimensional Shape Factor for the Quantitative Assessment of the Sphericity and Surface Roughness of Pellets. Int. J. Pharm 1995; 124: 253–259
- Erikson M., Nyström C., Alderborn G. The Use of Air Permeametry for the Assessment of External Surface Area and Sphericity of Pelletized Granules. Int. J. Pharm 1993; 99: 197–207
- Erikson M., Alderborn G., Nyström C., Podczeck F., Newton J. M. Comparison Between and Evaluation of Some Methods for the Assessment of the Sphericity of Pellets. Int. J. Pharm 1997; 148: 149–154
- Martin A., Bustamante P., Chun A. C. Physical Pharmacy. 4th Ed., Lea and Febiger, Philadelphia 1993; 423
- Rowe R. C. Spheronization: A Novel Pill-Making Process?. Pharm. Int. 1985; 6: 119–123
- Baert L., Remon J. P. Influence of Amount of Granulation Liquid on the Drug Release Rate from Pellets Made by Extrusion Spheronisation. Int. J. Pharm. 1993; 95: 135–141
- Pinto J. F., Buckton G., Newton J. M. The Influence of Four Selected Processing and Formulation Factors on the Production of Spheres by Extrusion and Spheronisation. Int. J. Pharm 1992; 83: 187–196
- Newton J. M., Chow A. K., Jeewa K. B. The Effect of Excipient Source on Spherical Granules Made by Extrusion-Spheronization. Pharm. Tech. Int. Biophys 1992; 4: 20–28
- Law M. F.L., Deasy P. B. Effect of Common Classes of Excipients on Extrusion-Spheronization. J. Microencapsulation 1997; 14: 647–657
- Varshosaz J., Kennedy R. A., Gipps E. M. Effect of Binder Level and Granulating Liquid on Phenylbutazone Pellets Prepared by Extrusion-Spheronization. Drug Dev. Ind. Pharm 1997; 23: 611–618
- Fielden K. E., Newton J. M., Rowe R. C. The Influence of Moisture Content on Spheronization of Extrudate Processed by a Ram Extruder. Int. J. Pharm 1993; 97: 79–92
- Baert L., Vermeersch H., Remon J. P., Smeyers-Verbeke J., Massart D. L. Study of Parameters Important in the Spheronisation Process. Int. J. Pharm 1993; 96: 225–229
- Wan L. C., Heng P. W.S., Liew C. V. Spheronization Conditions on Spheroid Shape and Size. Int. J. Pharm 1993; 96: 59–65
- Carr R. L. Evaluating Flow Properties of Solids. Chem. Eng 1965; 18: 163–168
- Hausner H. H. Friction Conditions in a Mass Metal Powder. Int. J. Powder Metall 1967; 3: 7–13
- Chopra R., Podczeck F., Newton J. M. Proc. 2nd World Meeting APGI/APV, Paris, 1998, 161–162