@misc{indiciaeeb5f79b9d7a8, title = {Implementing universal vaccination programmes: Spain.}, author = {J de la Torre and R Esteban}, year = {1995}, doi = {10.1016/0264-410x(95)93554-m}, url = {https://pubmed.ncbi.nlm.nih.gov/7571839/}, note = {Source identifier: 7571839} }