Planning hierarchical hospital service areas for maternal care using a network optimization approach: A case study in Hubei, China

TAO Zhuolin, CHENG Yang, BAI Lingyao, FENG Ling, WANG Shaoshuai

Journal of Geographical Sciences . 2022, (12): 2577 -2598 . DOI: 10.1007/s11442-022-2062-x