TY - RPRT TI - [Microelectrodes for measuring ionic activities in biological tissues]. AU - H Baumgärtl AU - T Shigemitsu AU - D W Lübbers PY - 1976 DO - 10.1007/bf00768685 UR - https://pubmed.ncbi.nlm.nih.gov/2879/ ID - 2879 ER -