Immune reactions to Nippostrongylus brasiliensis in the rat. I. Characteristics of primary and secondary immune response in vivo.

Anaphylaxis/immunology Ancylostomatoidea/immunology Animals Antigens Blood Cell Count Blood Coagulation Factors Blood Platelets/immunology Complement System Proteins/analysis Hookworm Infections/immunology Immune Sera Immunity, Active Immunization Schedule Intestines/pathology Leukocyte Count Leukocytes/drug effects,immunology Lung/pathology Methotrexate/pharmacology Passive Cutaneous Anaphylaxis Rats p-Methoxy-N-methylphenethylamine/pharmacology

Antigens Blood Coagulation Factors Immune Sera p-Methoxy-N-methylphenethylamine Complement System Proteins Methotrexate