Volume 43, No 2, 1998 June Leading article  61 68 Tobacco industry's excuses for mass murder. Sajeeva Ranaweera  Vitamins and coronoary heart disease: where do we stand?  Shanthi Mendis Papers 74 78 84 88 92 Erectile and ejaculatory failure after transurethral prostatectomy. Neville D Perera, J T Hill  Microfilarial periodicity of Wuchereria bancrofti and man landing periodicity of the vector Culex quinquefasciatus Say n Matara, Sri Lanka. Mirani V Weerasooriya, Malka P S Mudalige, N K Gunawardena, E Kimura, W A Samarawickrema  Iodine content of commercially available iodised salt in the Sri Lankan market. J P Kumarasiri, B M R Fernandopulle, M A L K N Lankathillake The prevalence of gestational diabetes in a Sri Lankan antenatal clinic. S H Siribaddana, R Deshabandu, D Rajapakse, K Silva, D J S Fernando The value of percutaneous nephrosotomy; Sri Lankan experience. Usha C Samarasinghe, Neville D Perera  From the journals 96 R L Jayakody WHO press release 98 Passive smoking does cause lung cancer, do not let them fool you Brief communications 99 106 Familial adenomatous polyposis. Deepthi C De Silva, Ranil Fernando The current nomenclature of chronic hepatitis. Malee S Fernando, Devaka J S Fernando Case reports 109 112 Spontaneous hepatic rupture in pregnancy. P S Wijesinghe, P C Gunasekera, J Sirisena A case of multifocal motor neuropathy. R Gamage, W R S M Seneviratne Letters 115  115 117 118 119 121 123 125 126 Teaching and learning about diabetes mellitus: a clarification  A A T P Chang, D J S Fernando, K de Abrew, M H R Sheriff Fine needle aspiration cytology of leiomyosarcoma of the inferior vena cava. M S Fernando, S R Constantine, M P Kumarasinghe Immunophenotyping in leukaemias. A P Krukulasuriya, B Wijesiriwardene, T K Perera Audit of medical record keeping and clinical management of poisoning at a teaching hospital. D De Silva, C S V Pathirana, A P Ratnayake, W V G R Ranasinghe  The first isolation of Helicobacter pylori from gastric biopsy speciments in Sri Lanka. P Chandrasiri, R S B Wickremasinghe, Dayasiri Fernando, R Jayasena  A young man with widespread arterial occlusions and stroke. Udaya Ranawaka, Suranjith Seneviratne, Sudath Gunasekera, R Sutharson, Jagath Wijesekera  Wakeful but unaware for years. Suranjith Seneviratne, Udaya Ranawaka, Sudath Gunasekera, Bimsara Senanayake, Arjuna Fernando, Jagath Wijesekera Mirizzi syndrome. G N Lucas, S Sriranganathan Hydrocephalus with choroid plexus tumour. G N Lucas, M A L Faiz