Editorials

	Platelet activating factor revisited KF Chung Thorax 1997; 52: 1019-1020. doi:10.1136/thx.52.12.1019 [PDF] [Request Permissions]
	Tobacco: the epidemic we could all avoid J Britton Thorax 1997; 52: 1021-1022. doi:10.1136/thx.52.12.1021 [PDF] [Request Permissions]

Papers

	Enhancement of leukotriene B4 release in stimulated asthmatic neutrophils by platelet activating factor K Shindo, K Koide, and M Fukumura Thorax 1997; 52: 1024-1029. doi:10.1136/thx.52.12.1024 [Abstract] [PDF] [Request Permissions]
	Increased urinary excretion of LTE4 after exercise and attenuation of exercise-induced bronchospasm by montelukast, a cysteinyl leukotriene receptor antagonist TF Reiss, JB Hill, E Harman, J Zhang, WK Tanaka, E Bronsky, D Guerreiro, and L Hendeles Thorax 1997; 52: 1030-1035. doi:10.1136/thx.52.12.1030 [Abstract] [PDF] [Request Permissions]
	Effects of airway calibre on lung delivery of nebulised salbutamol BJ Lipworth and DJ Clark Thorax 1997; 52: 1036-1039. doi:10.1136/thx.52.12.1036 [Abstract] [PDF] [Request Permissions]
	Respiratory effects of air pollution in chronic obstructive pulmonary disease: a three month prospective study ES Harre, PD Price, RB Ayrey, LJ Toop, IR Martin, and GI Town Thorax 1997; 52: 1040-1044. doi:10.1136/thx.52.12.1040 [Abstract] [PDF] [Request Permissions]
	Relationship of serum elastin peptide level to single breath transfer factor for carbon monoxide in French coal miners C Frette, MP Jacob, SM Wei, JP Bertrand, P Laurent, F Kauffmann, and QT Pham Thorax 1997; 52: 1045-1050. doi:10.1136/thx.52.12.1045 [Abstract] [PDF] [Request Permissions]
	Decreased nitric oxide in the exhaled air of patients with systemic sclerosis with pulmonary hypertension SA Kharitonov, JB Cailes, CM Black, RM du Bois, and PJ Barnes Thorax 1997; 52: 1051-1055. doi:10.1136/thx.52.12.1051 [Abstract] [PDF] [Request Permissions]
	Role of heat shock proteins in the pathogenesis of cystic fibrosis arthritis MR al-Shamma, C McSharry, K McLeod, EA McCruden, and BH Stack Thorax 1997; 52: 1056-1059. doi:10.1136/thx.52.12.1056 [Abstract] [PDF] [Request Permissions]
	Tuberculosis in England and Wales in 1993: results of a national survey. Public Health Laboratory Service/British Thoracic Society/Department of Health Collaborative Group D Kumar, JM Watson, A Charlett, S Nicholas, and JH Darbyshire Thorax 1997; 52: 1060-1067. doi:10.1136/thx.52.12.1060 [Abstract] [PDF] [Request Permissions]
	Use of home sleep studies for diagnosis of the sleep apnoea/hypopnoea syndrome AT Whittle, SP Finch, IL Mortimore, TW MacKay, and NJ Douglas Thorax 1997; 52: 1068-1073. doi:10.1136/thx.52.12.1068 [Abstract] [PDF] [Request Permissions]
	Effect of a novel 5-lipoxygenase activating protein inhibitor, BAYx 1005, on asthma induced by cold dry air AR Fischer, MA Rosenberg, M Roth, M Loper, S Jungerwirth, and E Israel Thorax 1997; 52: 1074-1077. doi:10.1136/thx.52.12.1074 [Abstract] [PDF] [Request Permissions]
	Lymphocyte dynamics: caution in interpreting BAL numbers R Pabst and T Tschernig Thorax 1997; 52: 1078-1080. doi:10.1136/thx.52.12.1078 [Abstract] [PDF] [Request Permissions]
	Pericardial effusion associated with asbestos exposure S Trogrlic, PA Gevenois, M Schroeven, and P De Vuyst Thorax 1997; 52: 1097-1098. doi:10.1136/thx.52.12.1097 [Abstract] [PDF] [Request Permissions]

Reviews

	Health effects of passive smoking. 3. Parental smoking and prevalence of respiratory symptoms and asthma in school age children DG Cook and DP Strachan Thorax 1997; 52: 1081-1094. doi:10.1136/thx.52.12.1081 [Abstract] [PDF] [Request Permissions]
	Recurrent post-partum pulmonary eosinophilia CW Davies, CI Mackinlay, and CG Wathen Thorax 1997; 52: 1095-1096. doi:10.1136/thx.52.12.1095 [Abstract] [PDF] [Request Permissions]

Letters to the editor

	Montelukast (MK-0476) RJ Massie Thorax 1997; 52: 1099. [Request Permissions]
	Treatment of pleural empyema G Simpson and D Roomes Thorax 1997; 52: 1099. [Request Permissions]