2Kemp A, Preen DB, Glover J, et al. How much do we spend on prescription medicines? Out - of - pocket costs for patients in Australia and other OECD countries [J]. Aust Health Rev, 2011, 35 (3): 341-349.
3Abdoli G, Bottai M, Moradi T. Cancer mortality by country of birth, sex, and socioeconomic position in Sweden, 1961 - 2009 [J]. PLoS One, 2014, 9 (3): e93174.