1. The politics of human embryo research and the motivation to achieve PGD 
Anastasia A. Theodosiou, Martin H. Johnson 
Reproductive BioMedicine Online 
Volume 22, Issue 5, Pages (May 2011)
DOI: /j.rbmo
Copyright © 2011 Reproductive Healthcare Ltd. Terms and Conditions

2. Figure 1
Plot of time course (by year) of PubMed search outcomes using, as search terms: amniocentesis (blue line); chorionic villus sampling (red line); ultrasound and prenatal diagnosis (green line). Plots give an indication of the novelty of the technology. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2011 Reproductive Healthcare Ltd. Terms and Conditions