Y53 Agents primarily affecting the gastrointestinal system ( Search )
- Y530 Histamine H2-receptor antagonists ( Search )
- Y531 Other antacids and anti-gastric-secretion drugs ( Search )
- Y532 Stimulant laxatives ( Search )
- Y533 Saline and osmotic laxatives ( Search )
- Y534 Other laxatives ( Search )
- Y535 Digestants ( Search )
- Y536 Antidiarrhoeal drugs ( Search )
- Y537 Emetics ( Search )
- Y538 Other agents primarily affecting the gastrointestinal system ( Search )
- Y539 "Agent primarily affecting the gastrointestinal system, unspecified" ( Search )
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