TY - RPRT TI - A procedure for detecting changes in the internal Ca2+ concentration in isolated nerve endings using the metallochromic dye arsenazo III. AU - M Covarrubias AU - R Tapia PY - 1982 DO - 10.1016/0306-4522(82)90022-7 UR - https://pubmed.ncbi.nlm.nih.gov/6181431/ ID - 6181431 ER -