Lymphocyte-Dependent Inhibition of Growth of Virulent <i>Mycobacterium tuberculosis</i> H37Rv Within Human Monocytes: Requirement for CD4+ T Cells in Purified Protein Derivative-Positive, But Not in Purified Protein Derivative-Negative SubjectsRichard F. Silver, Jerrold J. Ellner|The Journal of Immunology|1998Cited by 125