What does T h/i stand for?

T h/i stands for T-cell helper/inducer subset

This definition appears rarely

Samples in periodicals archive:

CONFIRM anti-CD4 (SP35) positive staining results may aid in identifying T-cell lymphomas and in identifying the T helper-inducer cell subset of T-lymphocytes in normal tissues.

The CD4 antigen is expressed on a T cell subset (helper/inducer) representing 45 percent of peripheral blood lymphocytes and at a lower level on monocytes.