Acta Crystallographica and Journal of Synchrotron Radiation are defined as what?
Journal of Synchrotron Radiation The Journal of Synchrotron Radiation is a peer-reviewed scientific journal published by Wiley-Blackwell on behalf of the International Union of Crystallography. It was established in 1994 and covers research on synchrotron radiation and its applications. The editor-in-chief is S. Samar Hasnain (University of Liverpool).
Acta Paediatrica Acta Paediatrica is a peer-reviewed medical journal in the field of pediatrics. It was established in 1921 and was renamed Acta Paediatrica Scandinavica in 1964, before returning to its original title in 1992. The journal has a 2014 impact factor of 1/674, ranking 52nd out of 120 in the category "Pediatrics".