Borsari L, Malagoli C, Werler MM, Rothman KJ, Malavolti M, Rodolfi R, De Girolamo G, Nicolini F, Vinceti M. Joint effect of maternal tobacco smoking and pregestational diabetes on preterm births and congenital anomalies: a population-based study in northern Italy. J Diabetes Res. 2018 Jun 28. doi: 10.1155/2018/2782741
Maskey MK, Baral KP, Shah R, Shrestha BD, Lang J, Rothman KJ. Field test results of the motherhood method to measure maternal mortality. Ind Med Gaz. 2011 Jan 1;133(1):64-9.
Estrada CA, Unterborn JN, Price J, Thompson D, Gibson L. Judging the effectiveness of clinical pathways for pneumonia: the role of risk adjustment. Eff Clin Pract. 2000 Sep 1;3(5):221-8.