TY - RPRT TI - Decrease in the activity of tryptophan hydroxylase from slices of rat brain stem incubated in a low calcium or a calcium-free manganese-substituted medium. AU - M C Boadle-Biber PY - 1979 DO - 10.1016/0006-2952(79)90093-5 UR - https://pubmed.ncbi.nlm.nih.gov/533554/ ID - 533554 ER -