title: The Lexan calvarium: an improved method for direct observation of the brain.
mesh_terms: D000818:Animals; D000882:Haplorhini; D008722:Methods; D010969:Plastics; D011182:Postoperative Care; D019736:Prostheses and Implants; D012886:Skull / Q000601:surgery*
chemical_list: D010969:Plastics