منابع مشابه
Leukaemia clusters in childhood: geographical analysis in Britain.
STUDY OBJECTIVE To validate previously demonstrated spatial clustering of childhood leukaemias by showing relative proximities of selected map features to cluster locations, compared with control locations. If clusters are real, then they are likely to be close to a determining hazard. DESIGN Cluster postcode loci and partially matched control postcodes were compared in terms of distances to ...
متن کاملLeukaemia clusters in Great Britain. 1. Space-time interactions.
STUDY OBJECTIVE The aim was to test a large set of childhood leukaemia and lymphoma registrations for the presence of clusters in space and in time. DESIGN The study was a space-time cluster analysis. SETTING England, Wales and Scotland. PATIENTS All registrations for leukaemia and lymphoma between 1966 and 1983 in children aged 0 to 14 years were examined. The records included date and a...
متن کاملLeukaemia clusters in Great Britain. 2. Geographical concentrations.
STUDY OBJECTIVE The aim was to test a large set of childhood leukaemia and lymphoma registrations for the presence of short radius spacial clusters. DESIGN The study was a geographical cluster analysis. SETTING England, Wales and Scotland. PATIENTS All registrations for leukaemia and lymphoma between 1966 and 1983 in children aged 0 to 14 years were examined. The records included date and...
متن کاملAnophthalmia and microphthalmia
Anophthalmia and microphthalmia describe, respectively, the absence of an eye and the presence of a small eye within the orbit. The combined birth prevalence of these conditions is up to 30 per 100,000 population, with microphthalmia reported in up to 11% of blind children. High-resolution cranial imaging, post-mortem examination and genetic studies suggest that these conditions represent a phe...
متن کاملUnilateral anophthalmia in a Holstein calf.
Unilateral anophthalmia in a Holstein calf was examined morphologically. On the left side, a small cystic remnant of the eye ball (CRE) was present in the orbit. The CRE was adhered to the dura mater through an abnormal foramen formed in the orbital region of the cranial base. At this region of the left cerebral hemisphere, a porencephalic change was detected. Histologically, the pigment epithe...
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ژورنال
عنوان ژورنال: BMJ
سال: 1993
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.307.6900.340