TY - CONF AU - Rodríguez Girondo, Mar PY - 2011 SN - 0300-5577 UR - http://hdl.handle.net/20.500.11940/7029 LA - eng TI - Does maternal tocolysis with nifedipine increase the prevalence of patent ductus arteriosus in preterm infants? DO - http://dx.doi.org/10.1515/jpm-20... ER -