🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1367466· pop 26· linked from 546 articlesorphan drugregulatory class of pharmaceutical drugConnectionsrare diseaseEntityUnited States Food and Drug AdministrationEntityCategoriesBiotechnology lawDrug discoveryHealth economicsLife sciences industryOrphan drugsPharmaceuticals policyRare diseases