Determination of theophylline in human sera with a HPLC column switching technique
1986 ◽
Vol 324
(3-4)
◽
pp. 327-328
1993 ◽
Vol 346
(6-9)
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pp. 752-756
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2013 ◽
Vol 405
(20)
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pp. 6583-6587
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1999 ◽
Vol 17
(1-4)
◽
pp. 135-144
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2002 ◽
Vol 25
(8)
◽
pp. 1229-1241
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1999 ◽
Vol 21
(1)
◽
pp. 151-163
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2013 ◽
Vol 141
(2)
◽
pp. 1433-1437
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