Non-invasive ventilation: challenges in usage and applications
D. Chaudhry and R. Roshan .. 213
Medical thoracoscopy: a useful diagnostic tool for undiagnosed pleural effusion
A. Agarwal, R. Prasad, R. Garg, S.K. Verma, A. Singh and N. Husain .. 217
Prediction equations for spirometry in adults from Northern India
S.K. Chhabra, R. Kumar, U. Gupta, M. Rahman and D.J. Dash .. 221
A study on pulmonary complications of systemic sclerosis in Eastern India
A. Ghosh, A. Banerjee and A.K. Biswas .. 231
Multidrug resistant tuberculosis: trends and control
R. Prasad, N. Gupta and M. Singh .. 237
Reversed halo sign
N. Gupta, R. Kumar and R. Prasad .. 247
Lung cancer presenting with choroidal metastasis in a pregnant woman
S. Iliaz, R. Iliaz, N. Avsar, S. Tuncer and Z. Kilicaslan .. 249
B-type natriuretic peptide may be unsuitable for diagnosing central acute pulmonary embolism
Giuseppe Lippi, Carlotta Bellini, Sara Giuliotti, Franca Sandei, Tiziana Meschi, Loris Borghi and Gianfranco Cervellin.. 253
Metastatic thymic carcinoid: does surgeon have a primary role?
R.K.Dewan, Vinitha V. Nair, R. Saxena, Shaleen Prasad and Kumud Gupta .. 255
Pulmonary capillary haemangiomatosis: a rare cause of pulmonary hypertension
K.A. Babu, K. Supraja and R.B. Singh .. 259
Electronic cigarettes: facts and myths
Anjali Solanki, K. Kashyap and S. Kashyap .. 263
Abstracts´ Service .. 267
Authors´ Index .. 271
Guidelines to Authors .. 275
Announcements 210, 212, 274