Hawkey, C. J., Talley, N. J., Scheiman, J. M., Jones, R. H., Långström, G., Næsdal, J., & Yeomans, N. D. (2007). Maintenance treatment with esomeprazole following initial relief of non-steroidal anti-inflammatory drug-associated upper gastrointestinal symptoms: The NASA2 and SPACE2 studies. BioMed Central.

Hawkey, Christopher J., Nicholas J. Talley, James M. Scheiman, Roger H. Jones, Göran Långström, Jorgen Næsdal, and Neville D. Yeomans. Maintenance Treatment With Esomeprazole Following Initial Relief of Non-steroidal Anti-inflammatory Drug-associated Upper Gastrointestinal Symptoms: The NASA2 and SPACE2 Studies. BioMed Central, 2007.

Hawkey, Christopher J., et al. Maintenance Treatment With Esomeprazole Following Initial Relief of Non-steroidal Anti-inflammatory Drug-associated Upper Gastrointestinal Symptoms: The NASA2 and SPACE2 Studies. BioMed Central, 2007.