The British Journal of Neurosurgery is the official journal of the society. Abstracts from the scientific meetings are published in the journal biannually. If you are a paid up member and logged in then you can get access to the jounal by clicking here.
Links to other journal sites are shown below:
Acta NeurochirurgicaJournal of Neurology, Neurosurgery and PsychiatryJournal of NeurosurgeryNeurosurgeryNeurological ResearchSpine
The British Medical Journal (BMJ)Journal of the American Medical Association (JAMA)The LancetNatureNew England Journal of MedicineScience
If you can't find a journal: There are many more neurosurgical journal links at this site
The NLH Surgery, Theatres & Anaesthesia Specialist Library is also a valuable resource