Synthetic <i>S</i>‐(2,3‐dihydroxypropyl)‐cysteinyl peptides derived from the N‐terminus of the cytochrome subunit of the photoreaction centre of <i>Rhodopseudomonas viridis</i> enhance murine splenocyte proliferationJörg W. Metzger, Günther Jung, Marianne Eckert et al.|Journal of Peptide Science|1995Cited by 43