Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
femoral nerve » femoral neck (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
rat nerve » cat nerves (Expandir a Pesquisa)
2 femoral » mm femoral (Expandir a Pesquisa), do femoral (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
i rat » i rate (Expandir a Pesquisa), i rats (Expandir a Pesquisa), _ rat (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: (((( j central nerve system de ) or ( i rat nerve cyst dis ))) or ( 2 femoral nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system de ) OR ( i rat nerve cyst dis ))) OR ( 2 femoral nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system de ) or ( i rat nerve cyst dis ))) or ( 2 femoral nerve cat due ))*.