Brizan JB, Amabebe E. Maternal obesity as a risk factor for caesarean delivery in sub-Saharan Africa: a systematic review. Life (Basel). 2022 Jun 17;12(6):906. doi: 10.3390/life12060906
Von Scheele BG, Martin RD, Gilsenan AW, Ceberg J, Andrews EB, Masica D, Alvegård T. The European postmarketing adult osteosarcoma surveillance study characteristics of patients: a preliminary report. Acta Orthop. 2009;80:67-74.
Britt (DiBenedetti) DM, Collins FL, Cohen LM. Cigarette smoking and chewing gum use among college students. J Appl Biobehav Res. 2007 Jun 4;4(2):85-90. doi: 10.1111/j.1751-9861.1999.tb00057.x