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
Derby CA, Araujo AB, Johannes CB, Feldman HA, McKinlay JB. Measurement of erectile dysfunction in population-based studies: the use of a single question self-assessment in the Massachusetts Male Aging Study. Int J Impot Res. 2000 Aug 1;12(4):197-204.