Saito H, Yamaoka K, Kiyotani K, Masai H
Am Rev Respir Dis. 1976 Aug;114(2):407-9. doi: 10.1164/arrd.1976.114.2.407.
The heat-stable (70degrees C) acid phosphatase test performed by the method of Kind and King is a simple method for differentiating Mycobacterium kansasii, M. marinum, M. gastri, M. nonchromogenicum, and M. triviale from other slowly growing mycobacteria, and M. fortuitum from other rapidly growing acid-fast bacilli.