Wesselink AK, Kirwa K, Hatch EE, Hystad P, Szpiro AA, Kaufman JD, Levy JI, Mikkelsen EM, Quraishi SM, Rothman KJ, Wise LA. Residential proximity to major roads and fecundability in a preconception cohort. Environ Epidemiol. 2020 Nov 11;4(6):e112. doi: 10.1097/EE9.0000000000000112
Poulos C, Yang JC, Levin C, Minh HV, Giang KB, Nguyen D. Mothers' preferences and willingness to pay for HPV vaccines in Vinh Long Province, Vietnam. Soc Sci Med. 2011 Jul 1;73(2):226-34.