Immunologic Deficiency Syndromes controlled study 4 priority journal 4 Adolescent 2 Animal 2 Animals, Suckling 2 Antibodies, Bacterial 2 Argentina 2 B-Lymphocytes 2 Beriglobina P 2 CD4 Lymphocyte Count 2 CD8-Positive T-Lymphocytes 2 Child 2 Cholera Toxin 2 Comparative Study 2 Diet 2 Feasibility Studies 2 Female 2 Humans 2 Immunoglobulin A 2 Immunoglobulin G 2 Immunoglobulin M 2 Immunoglobulins, Intravenous 2 Immunotherapy 2 Infection 2 Injections, Subcutaneous 2 Intestine, Small 2 Lymphocyte Count 2 Lymphoid Tissue 2 Male 2