1. Goldstein DP, Berkowitz RS. Current management of gestational trophoblastic neoplasia. Haematol Oncol Clin. 2012;26(1):30–1.
2. Ngan HY, Kohorn EI, Cole LA, Kurman RJ, Kim SJ, Lurain JR, et al. Trophoblastic disease. Int J Gynaecol Obstet. 2012;119(Suppl 2):S130–6.
3. Kohorn E1. The new FIGO 2000 at risk factors scoring system for gestational trophoblastic disease; description and critical amendment intro. J Gynaec Cancer. 2001;11:73–7.
4. Ngan HY, Bender H, Benedet JL, et al. Gestational trophoblastic neoplasma, FIGO 2000 staging and classification. Tmt J Gynaecol Obstet. 2003;83:175–7.
5. Berkowitz RS, Goldstein DP, Bernstein MR. Modified triple chemotherapy in the management of high risk metastatic gestational trophoblastic tumours. Gynaecol Oncol. 1984;19:173–81.