1. Welsch CW, Calaf de Iturri G, Brennan MJ: DNA synthesis of human, mouse, and rat mammary carcinomasin vitro: influence of insulin and prolactin. Cancer 38: 1272–1281, 1976
2. Calaf G, Rojas C, Garrido F, Cabezas J: Effects of 17β-estradiol and human placental lactogen on DNA synthesis in organ culture of benign human breast tumors. IRCS Med Sci 8: 918, 1980
3. Calaf G, Russo IH, Roi L, Russo J: Effect of estrogen on the length of S phase of human breast tissue in organ culture. IRCS Med Sci 10: 307–308, 1982
4. Calaf G: Hormonal dependence of breast tumors in organ culture. Breast Cancer Research Conference, London, March 24–28, 1985
5. Calaf G, Russo IH, Roi L, Russo J: Effects of hormones on growth fraction of human breast tissue in organ cultures. IRCS Med Sci 10: 655–656, 1982