K. S. Bachtiar, H. Oswari, J. R. Batubara, I. Amir, A. Latief, and K. Firman, “Cholestasis sepsis at neonatology ward and neonatal Intensive Care Unit Cipto Mangunkusumo Hospital 2007 : incidence, mortality rate and associated risk factors”, Med J Indones, vol. 17, no. 2, pp. 107–13, May 2008.