1394
1563
1022
1434
1707
1414
1801
1462
1014
1967
1513
1589
1725
1131
1369
1914
1505
1313
1610
1485
1755
1297
1027
1450
1126
1795
1286
1393
1197
1623
1263
1331
1011
1295
1391
1937
1680
1701
1995
1750
1569
1760
1928
1866
1678
1693
1023
1708
1668
1657
1783
1205
1828
1170
1056
1943
1464
1480
1857
1517
1834
1474
1233
1893
1185
1961
1142
1431
1071
1793
1520
1753
1438
1375
1579
1829
1102
1270
1485
1237
1712
1639
1363
1826
1671
1562
1353
1175
1548
1086
1444
1540
1218
1882
1972
1373
1317
1539
1082
http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Clinical%20Trialsมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)