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2009 2
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Page 1
Maternal-fetal heartbeat phase synchronization.
Ivanov PCh, Ma QD, Bartsch RP. Ivanov PCh, et al. Among authors: ma qd. Proc Natl Acad Sci U S A. 2009 Aug 18;106(33):13641-2. doi: 10.1073/pnas.0906987106. Epub 2009 Aug 12. Proc Natl Acad Sci U S A. 2009. PMID: 19706494 Free PMC article. No abstract available.
Levels of complexity in scale-invariant neural signals.
Ivanov PCh, Ma QD, Bartsch RP, Hausdorff JM, Nunes Amaral LA, Schulte-Frohlinde V, Stanley HE, Yoneyama M. Ivanov PCh, et al. Among authors: ma qd. Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Apr;79(4 Pt 1):041920. doi: 10.1103/PhysRevE.79.041920. Epub 2009 Apr 21. Phys Rev E Stat Nonlin Soft Matter Phys. 2009. PMID: 19518269 Free PMC article.
Modified permutation-entropy analysis of heartbeat dynamics.
Bian C, Qin C, Ma QD, Shen Q. Bian C, et al. Among authors: ma qd. Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Feb;85(2 Pt 1):021906. doi: 10.1103/PhysRevE.85.021906. Epub 2012 Feb 10. Phys Rev E Stat Nonlin Soft Matter Phys. 2012. PMID: 22463243