TY - JOUR AU - Joshi Rohina AU - Cardona M. BT - Critical Public Health CN - Y LA - eng LB - CVjournal PY - 2007 SP - 81 EP - 89. ST - Crit Public Health T2 - Critical Public Health TI - The challenge of balancing methodological research rigour and practical needs in low-income settings: what are we doing and what we need to do better VL - 17 ER -