Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
cenp nerve » cns nerve (Expandir a Pesquisa), cell nerve (Expandir a Pesquisa), can nerve (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
1 ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a cenp » _ cenp (Expandir a Pesquisa), a cena (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
a des » a dos (Expandir a Pesquisa), a del (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: (((( a cenp nerve a des ) or ( i cent nerve system dcs ))) or ( 1 ventral nerve system dcs ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cenp nerve a des ) OR ( i cent nerve system dcs ))) OR ( 1 ventral nerve system dcs )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cenp nerve a des ) or ( i cent nerve system dcs ))) or ( 1 ventral nerve system dcs ))*.