Park EM, Wang M, Bowers SM, Muriel AC, Rauch PK, Edwards T, Yi SM, Daniel B, Hanson LC, Song M-K. Adaptation and psychometric evaluation of the parenting concerns questionnaire-advanced disease. Am J Hosp Palliat Care. 2021 Oct 7. doi: 10.1177/10499091211049801
Glass RL, Rothman KJ, Espinal F, Velez H, Smith NJ. Prevalence of human dental caries and water-borne trace metals. Arch Oral Biol. 1973 Sep;18(9):1099-104. doi: 10.1016/0003-9969(73)90083-6