title: A SUBSTITUTE FOR INDIA INK FOR USE IN RADIANT HEAT PAIN THRESHOLD STUDIES.
mesh_terms: D000293:Adolescent; D002244:Carbon; D004396:Coloring Agents; D005145:Face; D005853:Geriatrics; D006225:Hand; D006358:Hot Temperature; D006801:Humans; D007281:Ink; D010146:Pain; D017288:Pain Threshold; D010827:Physiology; D012677:Sensation
chemical_list: D004396:Coloring Agents; C028433:chinese ink; D002244:Carbon
keywords: ADOLESCENCE; DYES; FACE; GERIATRICS; HAND; HEAT; INK; PAIN; PHYSIOLOGY; SENSATION