Isolation and Characterization of Neuroglobin and The Reducing Enzyme Metneuroglobin (Neuroglobin Fe3+) From Bovine Brain Tissue, Mudjihartini, Ninik, Purba Dewi Pratiwi, Fadilah Fadilah, Sadikin Mohammad, and Jusman Sri Widia A. , Pharmacognosy Journal, October 2022, Volume 14, Issue 5, p.504-510, (2022)