TY - RPRT TI - Lymphoid tissue in rat oral mucosa: structure and function. AU - T Sminia AU - S J Swart AU - J J Steenbergen AU - J Biewenga PY - 1992 DO - 10.1038/icb.1992.5 UR - https://pubmed.ncbi.nlm.nih.gov/1639432/ ID - 1639432 ER -