Editorials

	Leukotriene receptor antagonists: useful in acute asthma? L M KUITERT and N C BARNES Thorax 2000; 55: 255-256. doi:10.1136/thorax.55.4.255 [Extract] [Full text] [PDF] [Request Permissions]
	Stopping smoking: the importance of nicotine addiction ANGELA HILTON Thorax 2000; 55: 256-257. doi:10.1136/thorax.55.4.256 [Extract] [Full text] [PDF] [Request Permissions]
	Orthostatic increase of respiratory gas exchange in hyperventilation syndrome WILLIAM GARDNER Thorax 2000; 55: 257-259. doi:10.1136/thorax.55.4.257 [Extract] [Full text] [PDF] [Request Permissions]

Original articles

	Comparison of the effects of intravenous and oral montelukast on airway function: a double blind, placebo controlled, three period, crossover study in asthmatic patients R J Dockhorn, R A Baumgartner, J A Leff, M Noonan, K Vandormael, W Stricker, D E Weinland, and T F Reiss Thorax 2000; 55: 260-265. doi:10.1136/thorax.55.4.260 [Abstract] [Full text] [PDF] [Request Permissions]
	Frequent paracetamol use and asthma in adults Seif O Shaheen, Jonathan A C Sterne, Christina E Songhurst, and Peter G J Burney Thorax 2000; 55: 266-270. doi:10.1136/thorax.55.4.266 [Abstract] [Full text] [PDF] [Request Permissions]
	Maternal smoking during pregnancy, environmental tobacco smoke exposure and childhood lung function Frank D Gilliland, Kiros Berhane, Rob McConnell, W James Gauderman, Hita Vora, Edward B Rappaport, Edward Avol, and John M Peters Thorax 2000; 55: 271-276. doi:10.1136/thorax.55.4.271 [Abstract] [Full text] [PDF] [Request Permissions]
	Increased risk of obstructive pulmonary disease in tunnel workers Bente Ulvestad, Berit Bakke, Erik Melbostad, Per Fuglerud, Johny Kongerud, and May Brit Lund Thorax 2000; 55: 277-282. doi:10.1136/thorax.55.4.277 [Abstract] [Full text] [PDF] [Request Permissions]
	Consumption of fresh fruit rich in vitamin C and wheezing symptoms in children Francesco Forastiere, Riccardo Pistelli, Piersante Sestini, Cristina Fortes, Elisabetta Renzoni, Franca Rusconi, Valerio Dell'Orco, Giovannino Ciccone, and Luigi Bisanti Thorax 2000; 55: 283-288. doi:10.1136/thorax.55.4.283 [Abstract] [Full text] [PDF] [Request Permissions]
	A randomised controlled comparison of tiotropium and ipratropium in the treatment of chronic obstructive pulmonary disease J A van Noord, T A Bantje, M E Eland, L Korducki, and P J G Cornelissen Thorax 2000; 55: 289-294. doi:10.1136/thorax.55.4.289 [Abstract] [Full text] [PDF] [Request Permissions]
	Orthostatic increase of respiratory gas exchange in hyperventilation syndrome L Pekka Malmberg, Klaus Tamminen, and Anssi R A Sovijärvi Thorax 2000; 55: 295-301. doi:10.1136/thorax.55.4.295 [Abstract] [Full text] [PDF] [Request Permissions]
	Automated analysis of digital oximetry in the diagnosis of obstructive sleep apnoea Juan-Carlos Vázquez, Willis H Tsai, W Ward Flemons, Akira Masuda, Rollin Brant, Eric Hajduk, William A Whitelaw, and John E Remmers Thorax 2000; 55: 302-307. doi:10.1136/thorax.55.4.302 [Abstract] [Full text] [PDF] [Request Permissions]
	Effect of non-invasive mechanical ventilation on sleep and nocturnal ventilation in patients with chronic respiratory failure Bernd Schönhofer and Dieter Köhler Thorax 2000; 55: 308-313. doi:10.1136/thorax.55.4.308 [Abstract] [Full text] [PDF] [Request Permissions]
	Analysis of ciliary beat pattern and beat frequency using digital high speed imaging: comparison with the photomultiplier and photodiode methods Mark A Chilvers and Christopher O'Callaghan Thorax 2000; 55: 314-317. doi:10.1136/thorax.55.4.314 [Abstract] [Full text] [PDF] [Request Permissions]

Review series

	Rare diseases  8: Organising pneumonia Jean-François Cordier Thorax 2000; 55: 318-328. doi:10.1136/thorax.55.4.318 [Extract] [Full text] [PDF] [Request Permissions]

Occasional reviews

	Recent advances in molecular biological techniques and their relevance to pulmonary research B W S Robinson, D J Erle, D A Jones, S Shapiro, W J Metzger, S M Albelda, W C Parks, and A Boylan Thorax 2000; 55: 329-339. doi:10.1136/thorax.55.4.329 [Extract] [Full text] [PDF] [Request Permissions]

Case reports

	Large lung bullae in marijuana smokers Martin K Johnson, Robin P Smith, Douglas Morrison, Gabriel Laszlo, and Roger J White Thorax 2000; 55: 340-342. doi:10.1136/thorax.55.4.340 [Abstract] [Full text] [PDF] [Request Permissions]
	Five cases of sarcoidosis in one family: a new immunological link? J Elford, P Fitch, E Kaminski, C McGavin, and I P Wells Thorax 2000; 55: 343-344. doi:10.1136/thorax.55.4.343 [Abstract] [Full text] [PDF] [Request Permissions]

Letters to the editor

	BCG vaccination by multipuncture method L PETER ORMEROD;, NABIL AL JARAD, D W EMPEY, and G DUCKWORTH Thorax 2000; 55: 345. doi:10.1136/thorax.55.4.345 [Extract] [Full text] [PDF] [Request Permissions]
	Respiratory care units for non-invasive mechanical ventilation in motor neurone disease EMILIO SERVERA, DIEGO PÉREZ, ELIA GÓMEZ-MERINO, JULIO MARÍN;, and M POLKEY Thorax 2000; 55: 345. doi:10.1136/thorax.55.4.345a [Extract] [Full text] [PDF] [Request Permissions]
	Asthma deaths in Scotland and in Wales IAN W B GRANT;, C E BUCKNALL, S C WRIGHT;, M L BURR, B H DAVIES, A JONES, and I J WILLIAMSON Thorax 2000; 55: 345. doi:10.1136/thorax.55.4.345b [Extract] [Full text] [PDF] [Request Permissions]
	Nebulised fluticasone G R G TODD; and JENNIFER HILL Thorax 2000; 55: 345. doi:10.1136/thorax.55.4.345c [Extract] [Full text] [PDF] [Request Permissions]
	Pyoderma gangrenosum G D PERKINS, H MOUDGIL, R JONES;, and J-L WANG Thorax 2000; 55: 345. doi:10.1136/thorax.55.4.345d [Extract] [Full text] [PDF] [Request Permissions]
	Therapeutic equivalence of inhaled salbutamol STEPHEN J FOWLER and BRIAN J LIPWORTH Thorax 2000; 55: 345. doi:10.1136/thorax.55.4.345e [Extract] [Full text] [PDF] [Request Permissions]