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. 1998 Aug 15;317(7156):452–456. doi: 10.1136/bmj.317.7156.452

Table 4.

Relative contributions of omeprazole and lansoprazole to total prescriptions of proton pump inhibitors

No (%) of defined daily doses
1994 1995
Omeprazole 11 931 813 (97.5) 16 134 917 (93.6)
Lansoprazole   311 225 (2.5) 1 099 981 (6.4)
Total 12 243 038 17 234 898