curie

https://doi.org/10.1351/goldbook.C01444
Non-SI unit of radioactivity, Ci ≈ 3.7 x 10E10 Bq.
Sources:
Green Book, 2nd ed., p. 113 (https://dev.goldbook.iupac.org/files/pdf/green_book_2ed.pdf)
PAC, 1994, 66, 2513. 'Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)' on page 2517 (https://doi.org/10.1351/pac199466122513)
PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 967 (https://doi.org/10.1351/pac199668040957)