TY - RPRT TI - Randomised controlled trial of two-component, three-component, and five-component acellular pertussis vaccines compared with whole-cell pertussis vaccine. Ad Hoc Group for the Study of Pertussis Vaccines. AU - P Olin AU - F Rasmussen AU - L Gustafsson AU - H O Hallander AU - H Heijbel PY - 1997 DO - 10.1016/s0140-6736(97)06508-2 UR - https://pubmed.ncbi.nlm.nih.gov/9393335/ ID - 9393335 ER -