# calcium

> chemical element with symbol Ca and atomic number 20

**Wikidata**: [Q706](https://www.wikidata.org/wiki/Q706)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Calcium)  
**Source**: https://4ort.xyz/entity/calcium


## References

1. calcium. Global Substance Registration System
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7440-70-2)
3. CALCIUM. PubChem
4. ChEBI release 2020-09-01
5. Atomic weights of the elements 2009 (IUPAC Technical Report)
6. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=90715)
7. Nuovo soggettario
8. Freebase Data Dumps. 2013
9. Calcium. ChemSpider
10. Effect of oral administration of fennel (Foeniculum vulgare) on ciprofloxacin absorption and disposition in the rat
11. Constituents of Cocoa Husks
12. Preventing dyslipidemia by Chlorella pyrenoidosa in rats and hamsters after chronic high fat diet treatment
13. A neglected Mayan galactagogue - ixbut (Euphorbia lancifolia).
14. A Neglected Mayan Galactagogue. Ixbut (Euphorbia lancifolia)
15. The zoapatle III--biological and uterotonic properties of aqueous plant extract
16. Composition of San Francisco Bay brine shrimp (Artemia salina)
17. Isolation and chemical evaluation of protein from shrimp cannery effluent
18. Chemical Constituents of Cordyceps cicadae
19. Mineral element content f chamomile
20. Phytelephas aequatorialis (arecaceae) in human and animal nutrition
21. [Registros de autoridad de "Materia" de la Biblioteca Nacional de España. Spain open data portal](https://www.bne.es/media/datosgob/catalogo-autoridades/materia/materia-UTF8.zip)
22. Integrated Authority File
23. BBC Things
24. [Source](https://www.thebalance.com/electrical-conductivity-in-metals-2340117)
25. CALCIUM, ELEMENTAL. Hazardous Substances Data Bank. 2019
26. Atomic weights of the elements 2013 (IUPAC Technical Report)
27. YSO-Wikidata mapping project
28. Calcium. ECHA Substance Infocard database
29. BabelNet
30. [Source](https://opentextbc.ca/introductorychemistry/chapter/measuring-entropy-and-entropy-changes-2/)
31. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
32. [Source](https://golden.com/wiki/Calcium-JG5E)
33. National Library of Israel
34. KBpedia
35. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
36. UniChem