@article{Kontaxis:69934,
      author        = "Kontaxis, Spyridon and Lázaro, Jesús and Gil, Eduardo
                       and Laguna, Pablo and Bailón, Raquel",
      title         = "{Assessment of quadratic nonlinear cardiorespiratory
                       couplings during tilt table test by means of real wavelet
                       biphase}",
      year          = "2018",
}