Fibroblastic reticular cells provide a supportive niche for lymph node-resident macrophages. - D'Rozario J; Knoblich K; Lütge M; Shibayama CP; Cheng HW; Alexandre YO; Roberts D; Campos J; Dutton EE; Suliman M; Denton AE; Turley SJ; et al. (European journal of immunology, 2023)