Perhaps you should try some spelling variations:
pediatrica » pediatric (Expand Search), pediatria (Expand Search), pediatricica (Expand Search)
pediatrias » pediatricas (Expand Search), pediatria (Expand Search), paediatrics (Expand Search), pediatricias (Expand Search)
pediatras » pediatricas (Expand Search), pediatric (Expand Search), pediatria (Expand Search)
pediatrics » pediatricics (Expand Search)
pediatr » pediatric (Expand Search)
paediatric » pediatric (Expand Search), pediatria (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 ((((pediatrias or pediatrics) or pediatras) or pediatr) or paediatric))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: acta (pediatrica OR ((((pediatrias OR pediatrics) OR pediatras) OR pediatr) OR paediatric)).
• Adding a wildcard symbol may retrieve word variants: acta (pediatrica or ((((pediatrias or pediatrics) or pediatras) or pediatr) or paediatric))*.