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	1.	Oral manifestations in untreated HIV patient. [electronic resource] by Cheng, Ray Patel, Stavan Mandel, Louis Producer: 20111229 In: The New York state dental journal vol. 77 Availability: No items available. Save to lists Add to cart (remove)
	2.	Specifying a Gold Standard for the Validation of Fetal Fraction Estimation in Prenatal Screening. [electronic resource] by Wald, Nicholas J Lau, King Wai Bestwick, Jonathan P Old, Robert W Huttly, Wayne J Cheng, Ray Producer: 20190930 In: Clinical chemistry vol. 64 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	A simple method to allow for guanine-cytosine amplification error in prenatal DNA screening for trisomy 18. [electronic resource] by Wald, Nicholas J Bestwick, Jonathan P Lau, King Wai Huttly, Wayne J Ke, Weilin Cheng, Ray Old, Robert W Producer: 20191230 In: Clinica chimica acta; international journal of clinical chemistry vol. 496 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Prenatal reflex DNA screening for trisomies 21, 18, and 13. [electronic resource] by Wald, Nicholas J Huttly, Wayne J Bestwick, Jonathan P Old, Robert Morris, Joan K Cheng, Ray Aquilina, Joe Peregrine, Elisabeth Roberts, Devender Alfirevic, Zarko Producer: 20181228 In: Genetics in medicine : official journal of the American College of Medical Genetics vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Response to Walker. [electronic resource] by Wald, Nicholas J Huttly, Wayne J Bestwick, Jonathan P Old, Robert Morris, Joan K Cheng, Ray Aquilina, Joe Peregrine, Elisabeth Roberts, Devender Alfirevic, Zarko Producer: 20181126 In: Genetics in medicine : official journal of the American College of Medical Genetics vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)