TY - RPRT TI - The cost of epidemiological transition: a study of a decrease in pertussis vaccination coverage. AU - Dorota Zdanowska Girard PY - 2005 DO - 10.1016/j.healthpol.2005.01.015 UR - https://pubmed.ncbi.nlm.nih.gov/15951048/ ID - 15951048 ER -