TY - RPRT TI - Active immunization against pertussis; immunization with live antigen. AU - J L WINTER AU - E F DOYLE AU - C R BROWN PY - 1952 DO - 10.3181/00379727-79-19293 UR - https://pubmed.ncbi.nlm.nih.gov/14892059/ ID - 14892059 ER -