Ayo-Yusuf, Olalekan Abdulwahab; Reddy, Priscilla S.; Van den Borne, Bart W.
(BMJ, 2008)
OBJECTIVE: Nasal use of snuff is the predominant form of tobacco use among black South African women. This study examines the association between snuff use and chronic bronchitis (CB) among black South African women. ...