The value of the case—control approach for the evaluation of the risk of upper gastrointestinal bleeding associated with the previous use of non-steroidal anti-inflammatory drugs
2006 ◽
Vol 62
(9)
◽
pp. 765-772
◽
1996 ◽
Vol 31
(9)
◽
pp. 912-916
◽
1994 ◽
Vol 75
◽
pp. 51-52
◽
2009 ◽
Vol 29
(11)
◽
pp. 1188-1192
◽
2006 ◽
Vol 11
(2)
◽
pp. 53-65
1992 ◽
Vol 1
(2)
◽
pp. 65-72
◽
1995 ◽
Vol 30
(5)
◽
pp. 438-444
◽