Editorials

	Matrix metalloproteinases: a role in emphysema? TD Tetley Thorax 1997; 52: 495. doi:10.1136/thx.52.6.495 [PDF] [Request Permissions]
	The aetiology of mesothelioma: are risk factors other than asbestos exposure important? R Hubbard Thorax 1997; 52: 496-497. doi:10.1136/thx.52.6.496 [PDF] [Request Permissions]

Papers

	Elevated levels of matrix metalloproteinases in bronchoalveolar lavage fluid of emphysematous patients GA Finlay, KJ Russell, KJ McMahon, EM D'arcy, JB Masterson, MX FitzGerald, and CM O'Connor Thorax 1997; 52: 502-506. doi:10.1136/thx.52.6.502 [Abstract] [PDF] [Request Permissions]
	Malignant mesothelioma in south east England: clinicopathological experience of 272 cases [published erratum appears in Thorax 1997 Nov;52(11):1018] DH Yates, B Corrin, PN Stidolph, and K Browne Thorax 1997; 52: 507-512. doi:10.1136/thx.52.6.507 [Abstract] [PDF] [Request Permissions]
	Effect of inhaled prostaglandin D2 in normal and atopic subjects, and of pretreatment with leukotriene D4 SE Sampson, AP Sampson, and JF Costello Thorax 1997; 52: 513-518. doi:10.1136/thx.52.6.513 [Abstract] [PDF] [Request Permissions]
	Effect of pranlukast, an oral leukotriene receptor antagonist, on leukotriene D4 (LTD4) challenge in normal volunteers TC O'Shaughnessy, P Georgiou, K Howland, M Dennis, CH Compton, and NC Barnes Thorax 1997; 52: 519-522. doi:10.1136/thx.52.6.519 [Abstract] [PDF] [Request Permissions]
	Pranlukast, a novel leukotriene receptor antagonist: results of the first European, placebo controlled, multicentre clinical study in asthma NC Barnes and JC Pujet Thorax 1997; 52: 523-527. doi:10.1136/thx.52.6.523 [Abstract] [PDF] [Request Permissions]
	Climate and aeroallergen levels in asthma: a 12 month prospective study MJ Epton, IR Martin, P Graham, PE Healy, H Smith, R Balasubramaniam, IC Harvey, DW Fountain, J Hedley, and GI Town Thorax 1997; 52: 528-534. doi:10.1136/thx.52.6.528 [Abstract] [PDF] [Request Permissions]
	Effects of the long acting beta agonist formoterol on asthma control in asthmatic patients using inhaled corticosteroids. The Netherlands and Canadian Formoterol Study Investigators T van der Molen, DS Postma, MO Turner, BM Jong, JL Malo, K Chapman, R Grossman, CS de Graaff, RA Riemersma, and MR Sears Thorax 1997; 52: 535-539. doi:10.1136/thx.52.6.535 [Abstract] [PDF] [Request Permissions]
	Nasal contribution to exhaled nitric oxide during exhalation against resistance or during breath holding SA Kharitonov and PJ Barnes Thorax 1997; 52: 540-544. doi:10.1136/thx.52.6.540 [Abstract] [PDF] [Request Permissions]
	Changes in ventilatory mechanics and diaphragmatic function after lung volume reduction surgery in patients with COPD EM Tschernko, W Wisser, T Wanke, MA Rajek, M Kritzinger, H Lahrmann, M Kontrus, H Benditte, and W Klepetko Thorax 1997; 52: 545-550. doi:10.1136/thx.52.6.545 [Abstract] [PDF] [Request Permissions]
	Bronchial hyperresponsiveness in lung transplant recipients: lack of correlation with airway inflammation P Liakakos, GI Snell, C Ward, DP Johns, TL Bamford, TJ Williams, and EH Walters Thorax 1997; 52: 551-556. doi:10.1136/thx.52.6.551 [Abstract] [PDF] [Request Permissions]
	Pulmonary oxidative stress response in young children with cystic fibrosis J Hull, P Vervaart, K Grimwood, and P Phelan Thorax 1997; 52: 557-560. doi:10.1136/thx.52.6.557 [Abstract] [PDF] [Request Permissions]
	Short wave diathermy for small spontaneous pneumothorax Y Ma, J Li, and Y Liu Thorax 1997; 52: 561-566. doi:10.1136/thx.52.6.561 [Abstract] [PDF] [Request Permissions]
	Prognostic significance of plasma D-dimer levels in patients with lung cancer O Taguchi, EC Gabazza, H Yasui, T Kobayashi, M Yoshida, and H Kobayashi Thorax 1997; 52: 563-565. doi:10.1136/thx.52.6.563 [Abstract] [PDF] [Request Permissions]
	Attenuation of oxidant/antioxidant imbalance during treatment of exacerbations of chronic obstructive pulmonary disease I Rahman, E Skwarska, and W MacNee Thorax 1997; 52: 565-568. doi:10.1136/thx.52.6.565 [Abstract] [Request Permissions]
	Spontaneous haemothorax associated with von Recklinghausen's disease: review of occurrence in Japan H Miura, O Taira, O Uchida, J Usuda, S Hirai, and H Kato Thorax 1997; 52: 577-578. doi:10.1136/thx.52.6.577 [Abstract] [PDF] [Request Permissions]
	Delayed pneumothorax after CT-guided percutaneous fine needle aspiration lung biopsy ZC Traill and FV Gleeson Thorax 1997; 52: 581-582. doi:10.1136/thx.52.6.581 [Abstract] [PDF] [Request Permissions]
	Neuromuscular blockade with acute respiratory failure in a patient receiving cibenzoline T Similowski, C Straus, V Attali, F Girard, F Philippe, G Deray, D Thomas, and JP Derenne Thorax 1997; 52: 582-584. doi:10.1136/thx.52.6.582 [Abstract] [Request Permissions]

Reviews

	The use of induced sputum to investigate airway inflammation ID Pavord, MM Pizzichini, E Pizzichini, and FE Hargreave Thorax 1997; 52: 498-501. doi:10.1136/thx.52.6.498 [PDF] [Request Permissions]
	"Ultimate activation" of eosinophils in vivo: lysis and release of clusters of free eosinophil granules (Cfegs) CG Persson and JS Erjefalt Thorax 1997; 52: 569-574. doi:10.1136/thx.52.6.569 [PDF] [Request Permissions]
	Spontaneous pneumothorax in a patient with an azygos lobe RT Sadikot, ME Cowen, and AG Arnold Thorax 1997; 52: 579-580. doi:10.1136/thx.52.6.579 [Abstract] [PDF] [Request Permissions]

Letters to the editor

	Inhalation drug delivery from seven different spacer devices MT Newhouse Thorax 1997; 52: 585-586. [Request Permissions]
	Optimal particle size for aerosols JK Chege, KA el-Araud, BJ Clark, and H Chrystyn Thorax 1997; 52: 586-587. [Request Permissions]
	Dual infection with HIV-1 and HIV-2 JR Clarke, DK Sohi, JK Maniar, Z Udwadia, and DM Mitchell Thorax 1997; 52: 587-588. [Request Permissions]
	Treatment of paraquat poisoning JG Ayres and RJ Lilford Thorax 1997; 52: 588. [Request Permissions]
	Growth factors and granulomatous inflammation NK Harrison Thorax 1997; 52: 588. [Request Permissions]