Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
bela nerve » beta nerve (Expandir a Pesquisa), pgla nerve (Expandir a Pesquisa), delays nerve (Expandir a Pesquisa)
j ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
cyst dis » cyst d (Expandir a Pesquisa), cyst dna (Expandir a Pesquisa)
i spinal » a spinal (Expandir a Pesquisa), i spiral (Expandir a Pesquisa), 3 spinal (Expandir a Pesquisa)
j bela » j bell (Expandir a Pesquisa), j belval (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 ventral nerve cyst dis ) or ( i spinal nerve system dis ))) or ( j bela nerve cyst due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j ventral nerve cyst dis ) OR ( i spinal nerve system dis ))) OR ( j bela nerve cyst due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j ventral nerve cyst dis ) or ( i spinal nerve system dis ))) or ( j bela nerve cyst due ))*.