TY - RPRT TI - Decrease of 1-methyl-1,2,3,4-tetrahydroisoquinoline synthesizing enzyme activity in the brain areas of aged rat. AU - Elhadi Absi AU - Juan Parrado AU - Antonio Ayala AU - Alberto Machado PY - 2002 DO - 10.1016/s0006-8993(02)03428-5 UR - https://pubmed.ncbi.nlm.nih.gov/12419532/ ID - 12419532 ER -