title: Influence of C4A deficiency on nonresponse to HBsAg vaccination: a new immune response gene.
authors.forename: David R
authors.initials: DR
authors.lastname: Milich
mesh_terms: D015934:Complement C4a / Q000235:genetics* / Q000276:immunology*; D017353:Gene Deletion; D006509:Hepatitis B / Q000235:genetics / Q000276:immunology / Q000517:prevention & control*; D017325:Hepatitis B Vaccines / Q000008:administration & dosage* / Q000276:immunology; D006801:Humans
chemical_list: D017325:Hepatitis B Vaccines; D015934:Complement C4a