UK, NHS, What is a biosimilar medicine?, 2023-02-21 ([Internet, 2023-09-22](https://www.england.nhs.uk/long-read/what-is-a-biosimilar-medicine/))
Biological medicines are complex medicines made or derived from a biological source. [...] Biological medicines are used to treat many conditions including cancers, diabetes, arthritis, psoriasis, neutropenia and enzyme or hormone deficiencies. A biosimilar medicine (known as a ‘biosimilar’) contains a version of an active substance of an approved biological medicinal product, known as the reference product.