Aspects of smoking in developing countries in Africa.
D000328:Adult; D000349:Africa; D000383:Agriculture / Q000379:methods*; D002648:Child; D003906:Developing Countries; D004467:Economics; D005260:Female; D006801:Humans; D008297:Male; D009549:Nigeria; D010947:Plants, Toxic; D000074606:Smoking Prevention; D014026:Nicotiana