TY  - RPRT
TI  - [Immunization schedule: dynamics and updating]
AU  - L Y Weckx
AU  - E S Carvalho
PY  - 1999
DO  - 10.2223/jped.381
UR  - https://pubmed.ncbi.nlm.nih.gov/14685492/
ID  - 14685492
ER  -