Talvez deva tentar algumas variações de ortografia:
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
neural system » neural systems (Expandir a Pesquisa), neural stem (Expandir a Pesquisa), neuron system (Expandir a Pesquisa)
femoral nerve » femoral neck (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case did (Expandir a Pesquisa), case di (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve co (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa)
c due » c duke (Expandir a Pesquisa), _ due (Expandir a Pesquisa), 2 due (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 neural system di ) or ( i crest nerve case dis ))) or ( _ femoral nerve c due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central neural system di ) OR ( i crest nerve case dis ))) OR ( _ femoral nerve c due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central neural system di ) or ( i crest nerve case dis ))) or ( _ femoral nerve c due ))*.