Volatile N-nitrosamines in gastric juice of patients with various conditions of the gastrointestinal tract determined by gas chromatography–mass spectrometry and related to intragastric pH and nitrate and nitrite levels
1996 ◽
Vol 5
(1)
◽
pp. 63-66
1996 ◽
Vol 5
◽
pp. 63-66
◽
2002 ◽
Vol 26
(6)
◽
pp. 320-324
◽
2001 ◽
Vol 10
(3)
◽
pp. 265-268
◽
2006 ◽