title: Physiological variation in circulating B cell:T cell ratio in man.
mesh_terms: D001402:B-Lymphocytes / Q000166:cytology*; D006801:Humans; D007104:Immune Adherence Reaction; D007958:Leukocyte Count; D005082:Physical Exertion; D013601:T-Lymphocytes / Q000166:cytology*