Talvez deva tentar algumas variações de ortografia:
crespo ferrer » crespo herrera (Expandir a Pesquisa), crespo ferra (Expandir a Pesquisa), crespo guerrero (Expandir a Pesquisa)
central nerve » central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa), femoral nerve (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
ferrer case » ferrer casero (Expandir a Pesquisa), ferrer carme (Expandir a Pesquisa), ferrer cosme (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 does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
j ventral » i ventral (Expandir a Pesquisa), ii ventral (Expandir a Pesquisa), j ventura (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i crespo » g crespo (Expandir a Pesquisa), d crespo (Expandir a Pesquisa), e crespo (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 di ) or ( i crespo ferrer case does ))) or ( j ventral nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system di ) OR ( i crespo ferrer case does ))) OR ( j ventral nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system di ) or ( i crespo ferrer case does ))) or ( j ventral nerve cat due ))*.