%0 Journal Article %A Ortega Gutiérrez, Silvia %T New pharmacological approaches for rare diseases %D 2023 %@ 1422-0067 %U https://hdl.handle.net/20.500.14352/109794 %X The expression “rare disease” describes a group of diseases whose individual prevalence is low (between 3.9 and 6.6 in 10,000 subjects depending on the country) but which in total affect up to the 3–6% of the worldwide population. %~