negative regulation of mononuclear cell proliferation
negative regulation of PBMC proliferation
narrow
negative regulation of peripheral blood mononuclear cell proliferation
narrow
Any process that stops, prevents, or reduces the frequency, rate or extent of mononuclear cell proliferation.
GO:0032944
regulation of mononuclear cell proliferation
is_a
GO:0070664
negative regulation of leukocyte proliferation
is_a
GO:0032943
mononuclear cell proliferation
negatively_regulates