TY - RPRT TI - Age-related decrease in the proportion of germinal center B cells from mouse Peyer's patches is accompanied by an accumulation of somatic mutations in their immunoglobulin genes. AU - A González-Fernández AU - D Gilmore AU - C Milstein PY - 1994 DO - 10.1002/eji.1830241151 UR - https://pubmed.ncbi.nlm.nih.gov/7957583/ ID - 7957583 ER -