JOHN TAYU LEEMajeed A.Millett C.2024-02-022024-02-0220120140-6736https://www.scopus.com/inward/record.uri?eid=2-s2.0-84868576819&doi=10.1016%2fS0140-6736%2812%2961941-2&partnerID=40&md5=7477800eeb602ab2b220ff88ccec1c1bhttps://scholars.lib.ntu.edu.tw/handle/123456789/639563User fees in universal health systemsletter10.1016/S0140-6736(12)61941-2231416072-s2.0-84868576819