Beach RH, Poulos C, Pattanayak SK. Agricultural household response to avian influenza prevention and control policies. J Agr Appl Econ. 2007 Aug 1;39(2):301-11.
Rousu MC, Monchuk DC, Shogren JF, Kosa KM. Consumer willingness to pay for “second generation” genetically engineered products and the role of market information. J Agr Appl Econ. 2005 Dec;37(3):647-57. doi: 10.1017/S1074070800027140
Rothman KJ, Glass RL, Espinal F, Velez H. Caries-free teeth in the absence of fluoride ion. J Public Health Dent. 1972;32(4):225-8. doi: 10.1111/j.1752-7325.1972.tb03977.x