Lisa Y. S. Chan

Systematic search for placental DNA-methylation markers on chromosome 21: toward a maternal plasma-based epigenetic test for fetal trisomy 21.

C. Ding, T. Leung, R. Chiu, 2008, Clinical chemistry.

Noninvasive Prenatal Diagnosis of Fetal Trisomy 18 and Trisomy 13 by Maternal Plasma DNA Sequencing

Peiyong Jiang, Yama W. L. Zheng, Tak Y. Leung, 2011, PloS one.

Hypermethylation of RASSF1A in human and rhesus placentas.

R. Yuen, Y. Lo, I. Wong, 2007, The American journal of pathology.

Nasopharyngeal carcinoma in situ (NPCIS)—pathologic and clinical perspectives

Kwok Wai Lo, C. V. van Hasselt, J. Tong, 2002, Head & neck.