Open AccessTime trends of spina bifida in Sweden 1947-81.
Author(s) -
Bëngt Källén,
E. Löfkvist
Publication year - 1984
Publication title -
journal of epidemiology and community health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.692
H-Index - 170
eISSN - 1470-2738
pISSN - 0143-005X
DOI - 10.1136/jech.38.2.103
Subject(s) - spina bifida , medicine , etiology , demography , pediatrics , pathology , sociology
The spina bifida rate in Sweden from 1947 to 1981 has been studied using various sources of information, including two central computerised registers. During the period the rate approximately halved, but the decline was not smooth and occurred in three "waves." When the geographical location of high risk areas within each wave was studied, they were found to differ. The findings are discussed in the light of an environmental aetiology hypothesis of this malformation.
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