Rustamadji, P., A. Tjarta, S. Cornain, M. Ramli, and E. Soetrisno. “E-Cadherin and NM23HI As Metastasis Predictors for Various Degrees of Histological Malignancy in Invasive Ductal Carcinoma”. Medical Journal of Indonesia, vol. 20, no. 4, Nov. 2011, pp. 263-70, doi:10.13181/mji.v20i4.459.