====== Leiden ======

Leiden is a city and municipality in the province of South Holland, [[Netherlands]].
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[[Leiden University Medical Center]].

Factor V Leiden is named after the Dutch city [[Leiden]], where it was first identified in 1994 by Prof R. Bertina et al
((Bertina RM, Koeleman BP, Koster T, et al. (May 1994). "Mutation in blood coagulation factor V associated with resistance to activated protein C". Nature. 369 (6475): 64–7. doi:10.1038/369064a0. PMID 8164741)).