Point-of-care C-reactive protein testing to reduce inappropriate use of antibiotics for non-severe acute respiratory infections in Vietnamese primary health care: a randomised cont... by Do, NTT, Ta, NTD, Tran, NTH, Than, HM, Vu, BTN, Hoang, LB, van Doorn, HR, Vu, DTV, Cals, JWL, Chandna, A, Lubell, Y, Nadjm, B, Thwaites, G, Wolbers, M, Nguyen, KV, Wertheim, HFL