Khan, J. Malik, A. Hussain, H. Ali, N.K. Akbani, F. Hussain, S.J. Kazi, G.N. Hussain, S.F. 2003 In a densely populated urban area of Karachi, Pakistan, a questionnaire survey was made of the knowledge and practices of 120 private general practitioners about the diagnosis and treatment of tuberculosis TB . The majority knew that cough, fever and weight loss were the main symptoms of TB, but less than half knew that blood in sputum, poor appetite and chest pain were associated with the disease. Only 58.3 of physicians used sputum microscopy for diagnosing TB and 35.0 used it as a follow up test. Only 41.7 treated TB patients themselves, ...