title: History of transcutaneous PO2 measurement.
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure; D010827:Physiology / Q000266:history; D012867:Skin / Q000378:metabolism*
chemical_list: D010100:Oxygen