TY - JOUR DA - 2019 DO - 10.1136/bmjgh-2019-001633 LA - eng IS - 4 PY - 2019 SN - 2059-7908 T2 - BMJ Global Health TI - Polio: from eradication to systematic, sustained control UR - https://nbn-resolving.org/urn:nbn:de:0070-pub-29371619 Y2 - 2024-11-22T02:10:42 ER -