zinc concentrations of serum , nonlymphoid and lymphoid tissues , and the responsiveness of concanavalin-a ( con-a ) -stimulated spleen lymphocytes ( sl ) and cervical lymph node cells ( clnc ) from ad libitum-fed zinc-deficient ( zd ) , pair-fed ( pf ) and ad libitum-fed zinc-adequate rats ( al ) were determined .
C0024296
lymphoid tissues
C0024264
lymphocytes