Sociocultural and individual determinants for motivation of sexual and reproductive health workers in Papua New Guinea and their implications for male circumcision as an HIV prevention strategy. - Tynan, Anna; Vallely, Andrew; Kelly, Angela; Kupul, Martha; Neo, James; Naketrumb, Richard; Aeno, Herick; Law, Greg; Milan, John; Siba, Peter; Kaldor, John; Hill, Peter S.; et al. (Human Resources for Health, 2013)