regulation of platelet aggregation
Any process that modulates the rate, frequency or extent of platelet aggregation. Platelet aggregation is the adhesion of one platelet to one or more other platelets via adhesion molecules.
GO:0010543
regulation of platelet activation
is_a
GO:0034110
regulation of homotypic cell-cell adhesion
is_a
GO:0070527
platelet aggregation
regulates