作者: Maria Ganczak , Gabriela Dmytrzyk-Daniłów , Beata Karakiewicz , Marcin Korzeń , Zbigniew Szych
DOI: 10.1016/J.VACCINE.2013.09.056
关键词:
摘要: … As the vaccination coverage is poorer outside larger cities, especially in rural areas [4], [9], we aimed to select only GP practices serving patients in urban areas equal or less than …