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Background: The aim of this study is to assess comparatively the clinical effect of cemented and other biological type of artificial femoral head in the treatment of intertrochanteric fractures of the femur in elder patients.Methods: The clinical dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abe4256bd13cd4382066f4bcd14edd23
https://doi.org/10.21203/rs.3.rs-37476/v1
https://doi.org/10.21203/rs.3.rs-37476/v1
Autor:
Zhengzong Yang
Publikováno v:
Extinction Events in Earth History ISBN: 3540526056
In this paper a new possible explanation of iridium anomalies in the extinction boundaries is proposed. I found that the impact of an object is not necessary to be in the theory when we try to explain the iridium anomaly.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32c764eddce99112c116600fae47a57e
https://doi.org/10.1007/bfb0011137
https://doi.org/10.1007/bfb0011137