M. B. Siddiqui, S. Noushad, C. Wan Ng, Wah Yun Low, and S. Ahmed, “Prevalence and characteristics of stress among bereaved parents after the death of their under-five children in the urban slums of Karachi, Pakistan”, Int. j. endorsing health sci. res. , vol. 4, no. 3, pp. 33–40, Sep. 2016.