Proposed policy for a global switch from 'tOPV to bOPV' for routine immunization

収録刊行物

• http://www.who.int/immunization/sage/meetings/2012/april/2_Polio_WG_background_paper_26_Mar2012.pdf

  http://www.who.int/immunization/sage/meetings/2012/april/2_Polio_WG_background_paper_26_Mar2012.pdf 2012