6Lagergren J, Lagergren P.Recent developments inesophageal adenocarcinoma[J].CA: a cancer journal for clinicians, 2013,63 ( 4 ) : 232-248.
7Pennathur A, Gibson MK, Jobe BA, et al.JD.Oesophageal carcinoma[J].Lancet, 2013,381 ( 9864 ) : 400-412.
8Burnham G, Hoe C, Hung YW, et al.Perceptions and utilization of primary health care services in Iraq: findings from a national household survey[J].BMC Int Health Hum Rights,2011,11 ( 1 ): 15.
9Elsayed DE, Elamin SH, Ali KE, et al. (2010) Assessment of accessibility and utilization of paediatric health care services at Elhassahisa Locality, Gezira State, Sudan[J].East Afr J Public Health,2010,7 (3): 210-213.
10Quinn KL, Reedy A.Esophageal cancer: therapeutic approaches and nursing care[J].Seminars in oncology nursing, 1999,15 ( 1 ) : 17-25.