TY - RPRT TI - Ninhydrin test--an objective method for testing local anesthetic drugs. AU - K G DHUNER AU - S EDSHAGE AU - A WILHELM PY - 1960 DO - 10.1111/j.1399-6576.1960.tb00074.x UR - https://pubmed.ncbi.nlm.nih.gov/13722434/ ID - 13722434 ER -