Kuiper JG, van Herk-Sukel MPP, Castellsague J, Pottegard A, Berglind IA, Dedman D, Gutierrez L, Calingaert B, Hallas J, Sundstrom A, Gallagher AM, Kaye JA, Pardo C, Rothman KJ, Perez-Gutthann S. Use of topical tacrolimus and topical pimecrolimus in four European countries: a multicentre database cohort study. Drugs Real World Outcomes. 2018 Jun;5(2):109-16. doi: 10.1007/s40801-018-0133-1
Macdonald TM, Mackenzie IS, Wei L, Hawkey CJ, Ford I, Perez-Gutthann S. Methodology of a large prospective, randomised, open, blinded endpoint streamlined safety study of celecoxib versus traditional non-steroidal anti-inflammatory drugs in patients with osteoarthritis or rheumatoid arthritis: protocol of the Standard care versus Celocoxib Outcome Trial (SCOT). BMJ Open. 2013 Jan 29;3(1):e002295. doi: 10.1136/bmjopen-2012-002295