A and non- A immune response after oral and parenteral immunization of the hamster.

Administration, Oral Animals Antibody Formation Antigens/administration & dosage Autoradiography Carbon Isotopes Cricetinae Fluorescent Antibody Technique Immunodiffusion Immunoelectrophoresis Immunoglobulin A Immunoglobulin M Immunoglobulins Injections, Intramuscular Intestine, Small/immunology Lymph Nodes/cytology,immunology Mesentery Serum Albumin, Bovine/administration & dosage Serum Albumin, Radio-Iodinated Spleen/cytology

Antigens Carbon Isotopes Immunoglobulin A Immunoglobulin M Immunoglobulins Serum Albumin, Radio-Iodinated Serum Albumin, Bovine