We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMultifractality in human heartbeat dynamics.AuthorsIvanov PC; Amaral LA; Goldberger AL; Havlin S; Rosenblum MG; Struzik ZR; Stanley HEPublicationNature, 1999, Vol 399, Issue 6735, p461ISSN0028-0836Publication typearticleDOI10.1038/20924