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)
treat nerve » rat nerve (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j spinal » _ spinal (Expandir a Pesquisa), a spinal (Expandir a Pesquisa), 1 spinal (Expandir a Pesquisa)
j treat » j threat (Expandir a Pesquisa), _ treat (Expandir a Pesquisa), a treat (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 treat nerve cyst dis ) or ((( j spinal nerve case due ) or ( a ventral nerve system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j treat nerve cyst dis ) OR ((( j spinal nerve case due ) OR ( a ventral nerve system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j treat nerve cyst dis ) or ((( j spinal nerve case due ) or ( a ventral nerve system dis ))))*.