Perhaps you should try some spelling variations:
pediatrica » pediatrics (Expand Search), pediatric (Expand Search), paediatric (Expand Search), pediatricca (Expand Search), pediatriica (Expand Search), pediatrca (Expand Search)
pediatriaca » pediatrics (Expand Search), pediatric (Expand Search), paediatrica (Expand Search), pediatricca (Expand Search), pediatricsca (Expand Search), pediatrca (Expand Search), pediatricaca (Expand Search), pediatriiaca (Expand Search), pediatraca (Expand Search)
pediatria » pediatric (Expand Search), pediatrics (Expand Search), pediatr (Expand Search), pediatrica (Expand Search), pediatriia (Expand Search), pediatra (Expand Search)
pediatrie » pediatric (Expand Search), pediatrics (Expand Search), paediatric (Expand Search), pediatrice (Expand Search), pediatriie (Expand Search), pediatre (Expand Search)
pediatri » pediatric (Expand Search), pediatrii (Expand Search), pediatr (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: acta (((pediatrica or (pediatriaca or pediatria)) or (pediatrie or pediatri)) or pediatrica)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: acta (((pediatrica OR (pediatriaca OR pediatria)) OR (pediatrie OR pediatri)) OR pediatrica).
• Adding a wildcard symbol may retrieve word variants: acta (((pediatrica or (pediatriaca or pediatria)) or (pediatrie or pediatri)) or pediatrica)*.