Cotzias G C, Miller S T, Tang L C, Papavasiliou P S
Science. 1977 Apr 29;196(4289):549-51. doi: 10.1126/science.850799.
High concentrations of the dopaminergic drug levodopa (L-dopa, L-3,4-dihydroxphenylalanine) administered to mice in their diet affected fertility to a moderate degree and prolonged the mean life-span by a maximum of 50 percent.
在小鼠饮食中添加高浓度的多巴胺能药物左旋多巴（L-多巴，L-3,4-二羟基苯丙氨酸）会对生育能力产生一定程度的影响，并使平均寿命延长最多50%。
