@article{article, title  = {{Issues, challenges and opportunities for economic evaluations of orphan drugs in rare diseases: an umbrella review}},

 publisher = {{Springer Science and Business Media LLC}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/211668 }},

 year = {{2024}},

 month = {{4}},

 author = {{Grand TS and Ren S and Hall J and Åström DO and Regnier S and Thokala P}},

 doi = {{10.1007/s40273-024-01370-2}},

 volume = {{42}},

 journal = {{PharmacoEconomics}},

 issue = {{6}},

 pages = {{619-631}},

 note = {{Accessed on 2025/11/02}}}