Talvez deva tentar algumas variações de ortografia:
centers nerve » centers needed (Expandir a Pesquisa), centers survey (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
i centers » ii centers (Expandir a Pesquisa), _ centers (Expandir a Pesquisa), a centers (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa), j denham (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), i cena (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( i cent nerve system dis ) or ( i centers nerve case dis ))) or ( j dental nerve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent nerve system dis ) OR ( i centers nerve case dis ))) OR ( j dental nerve cyst dis ))*.