Social & Preventive Medicine Multi centre growth reference study (MGRS) all are true except A Paicipating countries were India, Brazil, Ghana Oman, USA, Norway B Done by case control study C Age group 1-10 years was used D Total 8500 breast fed infants and young children paicipated 💡 Explanation Multi centre growth reference study (MGRS) all are true except ✓ Correct Answer: B. Done by case control study