Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yang Nan-Ping and Lee Yi-Hui and Chung Chi-Yu and Hsu Jin-Chyr and Yu I-Liang and Chang Nien-Tzu and Chan Chien-Lung,Comparisons of medical utilizations and categorical diagnoses of emergency visits between the elderly with catastrophic illness certificates and those without,BMC Health Services Research,1472-6963,Springer Science and Business Media LLC,2013-04-26,13,1,,https://cir.nii.ac.jp/crid/1363388845692802688,https://doi.org/10.1186/1472-6963-13-152