Henderson GE, Ewing M, Kuczynski KJ, Cadigan RJ, Waltz M, Butterfield RM, Rini C, Weck K, Berg JS, Edwards TP. Development and validation of a measure of comprehension of genomic screening-negative results (CoG-NR). Eur J Hum Gene. 2020 Oct;28(10):1394-402. doi: 10.1038/s41431-020-0657-1
Aguado J, Campbell A, Ascaso C, Navarro P, Garcia-Esteve L, Luciano JV. Examining the factor structure and discriminant validity of the 12-Item General Health Questionnaire (GHQ-12) among Spanish postpartum women. Assessment. 2012 Dec 19;19(4):517-25.
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