Chan, Tsoi Yan Dorothy, Pui Wah Hui, and Sik Yau Anita Kan. 2025. “Prenatal Diagnosis of a Pair of Twins With Thanatophoric Dysplasia Type I and Down Syndrome: A Case Report”. Hong Kong Journal of Gynaecology, Obstetrics and Midwifery 25 (2). https://hkjgom.org/home/article/view/411.