title: Pterygium: prevention of recurrence by excision and postoperative thio-tepa.
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008875:Middle Aged; D011625:Pterygium / Q000517:prevention & control*; D013852:Thiotepa / Q000627:therapeutic use*
chemical_list: D013852:Thiotepa