1. Pertussis, nosodes and product licences;Fisher;Br Hom J,1987
2. Poliomyelitis immunization: a final report;Eisfelder;J Am Inst Hom,1961
3. Use of the nosode Meningococcinum as a preventive against meningitis;Castro;J Am Inst Hom,1975
4. Pertussin 30—preventive for whooping cough?;English;Br Hom J,1987
5. Controlled study of the effects of a homœopathic dilution of influenza vaccine on antibody titres in man;Lewith;Comp Med Res,1989