1. A shadow of doubt. Issue 5 (9th April 2009) Authors: Allan, P J; Appleton, S; McIntyre, A S Journal: Gut Issue: Volume 58:Issue 5(2009) Page Start: 617 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Prenatal screening for Down's syndrome. Issue 6795 (20th July 1991) Authors: Stone, M J; Levy, S F; Tait, W; Allan, P J; Riley, P J Journal: BMJ Issue: Volume 303:Issue 6795(1991) Page Start: 188 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗