Cite
MLA Citation
Steven T Bird et al.. “Misclassification in Assessment of First Trimester In-utero Exposure to Drugs Used Proximally to Conception: the Example of Letrozole Utilization for Infertility Treatment.” American journal of epidemiology, vol. 188, no. 2, 2019, pp. 418–425. http://access.bl.uk/ark:/81055/vdc_100094062164.0x000061