Fig. 2From: Recurrent patent infections with Toxocara canis in household dogs older than six months: a prospective studyMonthly T. canis incidence (dots) over the study period (from July 2011 to October 2014). An optimized cubic smoothing P-spline function (solid line) and corresponding 95Â % confidence interval (dotted lines) is fitted to the observed dataBack to article page