Knowledge, attitudes and perceptions of workers in indoor bars, beer halls and discotheques towards exposure to second-hand smoking in the two cities in Swaziland
Sabelo V Dlamini,
Musa C Dlamini,
Londiwe D Hlope,
Jameson S Siphepho,
Sakhile S Masuku,
Alfred F Murye,
Vusie Lokotfwako
