Evaluation of a solid-phase extraction procedure for the simultaneous determination of morphine, 6-monoacetylmorphine, codeine and dihydrocodeine in plasma and whole blood by GC/MS
1996 ◽
Vol 109
(2)
◽
pp. 80-83
◽
1990 ◽
Vol 190
(1-2)
◽
pp. 121-123
◽
2013 ◽
Vol 10
(5)
◽
pp. 973-982
◽
2006 ◽
Vol 1122
(1-2)
◽
pp. 21-27
◽
2006 ◽
Vol 29
(15)
◽
pp. 2322-2329
◽