Adolescent / Humans / Male / Follow-up studies / Time Factors / Biological markers / immunoglobulin G / Immunoglobulin A / Biological markers / immunoglobulin G / Immunoglobulin A
Dermatology / Humans / Male / Clinical Sciences / Middle Aged / Public health systems and services research / Immunoglobulin A / Public health systems and services research / Immunoglobulin A
Spleen / Humans / Female / Male / Lectins / Bone marrow / T lymphocytes / Aged / Middle Aged / B Lymphocytes / Tuberculin Test / Blood Proteins / immunoglobulin G / Agammaglobulinemia / Immunoglobulin A / Bone marrow / T lymphocytes / Aged / Middle Aged / B Lymphocytes / Tuberculin Test / Blood Proteins / immunoglobulin G / Agammaglobulinemia / Immunoglobulin A