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Journal of Microencapsulation|January 1, 1993
Citric acid as a plasticizer for spray-dried microcapsulesL S Wan, P W Heng, C G ChiaJournal of Microencapsulation|January 1, 1992
Plasticizers and their effects on microencapsulation process by spray-drying in an aqueous systemL S Wan, P W Heng, C G ChiaJournal of Pharmaceutical Sciences|March 1, 1985
Surfactant effect on the dissolution of sulfanilamide granulesP W Heng, L S WanPharmaceutical Development and Technology|February 23, 1999
Effect of off-bottom clearance on properties of pellets produced by melt pelletizationP W Heng, L S Wan, T W WongDrug Development and Industrial Pharmacy|July 29, 2000
Role of base plate rotational speed in controlling spheroid size distribution and minimizing oversize particle formation during spheroid production by rotary processingC V Liew, L S Wan, P W HengPharmaceutical Development and Technology|December 1, 1999
Mixed polymer coating for modified release from coated spheroidsY T Tan, P W Heng, L S WanJournal of Microencapsulation|July 1, 1992
Drug encapsulation in alginate microspheres by emulsificationL S Wan, P W Heng, L W ChanJournal of Microencapsulation|September 18, 1997
Effect of cellulose derivatives on alginate microspheres prepared by emulsificationL W Chan, P W Heng, L S WanPharmaceutical Development and Technology|August 6, 1999
Effects of physical properties of PEG 6000 on pellets produced by melt pelletizationT W Wong, L S Wan, P W HengJournal of Microencapsulation|July 4, 1998
Effects of poly(vinylpyrrolidone) and ethylcellulose on alginate microspheres prepared by emulsificationL W Chan, P W HengPageof 5