DeCaen PG, Delling M, Vien TN, Clapham DE. Direct recording and molecular identification of the calcium channel of primary cilia. Nature. 2013 Dec 12; 504(7479):315-8. PMID: 24336289; PMCID: PMC4073646.
University of California San Francisco 
Direct recording and molecular identification of the calcium channel of primary cilia