Huiracocha, L.; Robalino I., G.; Huiracocha T., M. S.; García A., J. L.; Pazán T., C. G.; Angulo, A. Psychomotor Developmental Delay in Urban Children from to 5 Years: Case Study of the Urban Area of ​​Cuenca, Ecuador. MSKN 2012, 3, 13-28.