Perhaps you should try some spelling variations:
pediatr » pediatric (Expand Search)
pediatrica » pediatricica (Expand Search), pediatrics (Expand Search), pediatric (Expand Search), pediatria (Expand Search), pediatricca (Expand Search), pediatriaca (Expand Search), pediatrieca (Expand Search)
pediatri » pediatrici (Expand Search), pediatric (Expand Search), pediatria (Expand Search), pediatrie (Expand Search)
pediatricas » pediatricicas (Expand Search), pediatricss (Expand Search), pediatrics (Expand Search), pediatrias (Expand Search), pediatriccas (Expand Search), pediatriacas (Expand Search), pediatriecas (Expand Search), pediatricians (Expand Search), pediatric (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 (((pediatr or pediatrica) or pediatri) or (pediatricas or (pediatrica or pediatrica)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: acta (((pediatr OR pediatrica) OR pediatri) OR (pediatricas OR (pediatrica OR pediatrica))).
• Adding a wildcard symbol may retrieve word variants: acta (((pediatr or pediatrica) or pediatri) or (pediatricas or (pediatrica or pediatrica)))*.