TY - BOOK ED - World Health Organization TI - Diphtheria and pertussis vaccination : report of a Conference of Heads of Laboratories Producing Diphtheria and Pertussis Vaccines T2 - World Health Organization technical report series ; no. 61 SN - 9241200618 U1 - 100 SD:610.621 PY - 1953/// CY - Geneva PB - World Health Organization KW - Diphtheria Toxoid KW - Pertussis Vaccine KW - Whooping Cough KW - Diphtheria KW - Vaccination ER -