TY - RPRT TI - Amphetamine cumulation and tolerance development: concurrent and opposing phenomena. AU - S B Sparber AU - L H Fossom PY - 1984 DO - 10.1016/0091-3057(84)90280-6 UR - https://pubmed.ncbi.nlm.nih.gov/6709676/ ID - 6709676 ER -