Occupational exposures to particulate matter and PM2.5-associated polycyclic aromatic hydrocarbons at the Agbogbloshie waste recycling site in Ghana oleh Lawrencia Kwarteng, Amila M. Devasurendra, Zoey Laskaris, John Arko-Mensah, Afua A. Amoabeng Nti, Sylvia Takyi, Augustine A. Acquah, Duah Dwomoh, Nil Basu, Thomas Robins, Julius N. Fobil, Stuart Batterman