Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
central nerve » central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa), pectoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dcus » system dcs (Expandir a Pesquisa), system des (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), treat service (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
2 ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case did (Expandir a Pesquisa), case di (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 nerve system dcus ) or ( _ treat nerve case dis ))) or ( 2 ventral nerve c due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system dcus ) OR ( _ treat nerve case dis ))) OR ( 2 ventral nerve c due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system dcus ) or ( _ treat nerve case dis ))) or ( 2 ventral nerve c due ))*.