The effect of Haemophilus pertussis vaccine on lymphoid tissue in the rat.
D000818:Animals; D001886:Bordetella pertussis; D006190:Haemophilus; D018073:Haemophilus Vaccines; D008221:Lymphoid Tissue; D010567:Pertussis Vaccine; D051381:Rats; D013950:Thymus Gland; D014612:Vaccines; D014917:Whooping Cough
D018073:Haemophilus Vaccines; D010567:Pertussis Vaccine; D014612:Vaccines
BORDETELLA PERTUSSIS; THYMUS GLAND; VACCINES