Effects of smoking status, history and intensity on heart rate variability in the general population: The CHRIS study. oleh Federico Murgia, Roberto Melotti, Luisa Foco, Martin Gögele, Viviana Meraviglia, Benedetta Motta, Alexander Steger, Michael Toifl, Daniel Sinnecker, Alexander Müller, Giampiero Merati, Georg Schmidt, Alessandra Rossini, Peter P Pramstaller, Cristian Pattaro