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Heung, Macy M. S., Shengnan Jin, Nancy B. Y. Tsui, Chunming Ding, Tak Y. Leung, Tze K. Lau, Rossa W. K. Chiu, and Y. M. Dennis Lo. Placenta-Derived Fetal Specific MRNA Is More Readily Detectable in Maternal Plasma Than in Whole Blood. Public Library of Science, 2009.

Heung, Macy M. S., et al. Placenta-Derived Fetal Specific MRNA Is More Readily Detectable in Maternal Plasma Than in Whole Blood. Public Library of Science, 2009.