. "Any process that modulates the frequency, rate or extent of T cell differentiation." . . . "regulation of T cell differentiation" . "regulation of T cell development" . "regulation of T lymphocyte differentiation" . "regulation of T-cell differentiation" . "regulation of T-lymphocyte differentiation" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .