Edwards PET, Parsons GR, Myers KH. The economic value of viewing migratory shorebirds on the Delaware Bay: an application of the single-site travel cost model using on-site data. Hum Dimens Wildl. 2011;16(6):435-44. doi: 10.1080/10871209.2011.608180
Morgan L, Hawe E, Palmen J, Montgomery H, Humphries SE, Kitchen N. Polymorphism of the heme oxygenase-1 gene and cerebral aneurysms. Br J Neurosurg. 2005;19(4):317-21.
Clarkson TB, Anthony MS. Effects of SERMs, tibolone, and soy isoflavones on cardiovascular risk factors and coronary artery atherosclerosis of surgically post-menopausal monkeys. J Menopausal Med. 2001;10(1):19-23.