title: A PO 2  catheter microelectrode for in vivo intravascular use.
mesh_terms: D002404:Catheterization / Q000295:instrumentation*; D004566:Electrodes; D006801:Humans; D008839:Microelectrodes; D010100:Oxygen / Q000097:blood*; D013696:Temperature
chemical_list: D010100:Oxygen