Polystyrene

Polystyrene (substance)

active

Code	`47358009`
Semantic tag	substance
Module	international
Definition	primitive
Effective time	20020131

Parents (2)

413914009Copolymer substance
1003941001Thermoplastic polymer substance

Children (2)

387408001Colestyramine substance
768559003Colestyramine anhydrous substance