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Using medical birth registries in the Kola Peninsula for birth defects surveillance and investigation oftheir risk factors | Semantic Scholar
![A series of pictures taken at the Kola Superdeep Borehole, a 1970 Soviet research project. Around 11,660 metres of depth, the machinery broke down and a special camera was sent in, taking A series of pictures taken at the Kola Superdeep Borehole, a 1970 Soviet research project. Around 11,660 metres of depth, the machinery broke down and a special camera was sent in, taking](https://external-preview.redd.it/FkXGjoUT6AHUSYANK9IYVi6yydi4CuE3VCkz6GY4w2E.png?format=pjpg&auto=webp&s=6cde64524201f8ce83f980e156c19ba1d84b3fc4)
A series of pictures taken at the Kola Superdeep Borehole, a 1970 Soviet research project. Around 11,660 metres of depth, the machinery broke down and a special camera was sent in, taking
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