Authors: Hennessey, KA Ion-Nedelcu, N Craciun, MD Toma, F Wattigney, W Strebel, PM

Citation: Ka. Hennessey et al., Measles epidemic in Romania, 1996-1998: Assessment of vaccine effectiveness by case-control and cohort studies, AM J EPIDEM, 150(11), 1999, pp. 1250-1257