TY  - RPRT
TI  - Polyanionic hydrogel as a gastric retentive system.
AU  - S H Leung
AU  - B K Irons
AU  - J R Robinson
PY  - 1993
DO  - 10.1163/156856293x00140
UR  - https://pubmed.ncbi.nlm.nih.gov/8241064/
ID  - 8241064
ER  -