TY - JOUR T1 - Psychological distress among postpartum mothers of preterm infants and associated factors: a neglected public health problem JO - Brazilian Journal of Psychiatry A1 - Bener, Abdulbari SN - 1516-4446 UL - 10.1590/1516-4446-2012-0821 VL - 35 Y1 - 2013 PB - Brasil ER -