Brink, L. T.; Springer, P. E.; Nel, D. G.; Potter, M. D.; Odendaal, H. J. The Tragedy of Smoking, Alcohol, and Multiple Substance Use During Pregnancy. S Afr Med J 2022, 112 (8), 526-538. https://doi.org/10.7196/SAMJ.2022.v112i8.16480.