id	domain	url
easat-4517	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-4517	doi.org	https://doi.org/10.4240/wjgs.v8.i1.65
easat-4517	doi.org	https://doi.org/10.3748/wjg.v19.i33.5586
easat-4517	doi.org	https://doi.org/10.5772/63156
easat-4517	doi.org	https://doi.org/10.1186/s13017-019-0242-0
easat-4517	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-4517	doi.org	https://doi.org/10.4240/wjgs.v8.i1.65
easat-4517	doi.org	https://doi.org/10.3748/wjg.v19.i33.5586
easat-4517	doi.org	https://doi.org/10.5772/63156
easat-4517	doi.org	https://doi.org/10.1186/s13017-019-0242-0
easat-4517	doi.org	https://doi.org/10.3390/medicina55090598
easat-4517	doi.org	https://doi.org/10.1097/00000658-195507000-00007
easat-4517	doi.org	https://doi.org/10.1097/sla.0b013e31827eefed
easat-4517	doi.org	https://doi.org/10.1016/j.suc.2013.12.004
easat-4517	doi.org	https://doi.org/10.1007/s11605-013-2272-2
easat-4517	doi.org	https://doi.org/10.1308/003588410x12699663990771
easat-4517	doi.org	https://doi.org/10.4240/wjgs.v2.i5.172
easat-4517	doi.org	https://doi.org/10.1111/j.1445-2197.1998.tb01756.x
easat-4517	doi.org	https://doi.org/10.24875/ciru.20000047
easat-4517	doi.org	https://doi.org/10.3390/medicina55090598
easat-4517	doi.org	https://doi.org/10.1097/00000658-195507000-00007
easat-4517	doi.org	https://doi.org/10.1097/sla.0b013e31827eefed
easat-4517	doi.org	https://doi.org/10.1016/j.suc.2013.12.004
easat-4517	doi.org	https://doi.org/10.1007/s11605-013-2272-2
easat-4517	doi.org	https://doi.org/10.1308/003588410x12699663990771
easat-4517	doi.org	https://doi.org/10.4240/wjgs.v2.i5.172
easat-4517	doi.org	https://doi.org/10.1111/j.1445-2197.1998.tb01756.x
easat-4517	doi.org	https://doi.org/10.24875/ciru.20000047