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)
spinal nerve » retinal nerve (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j ventral » a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa), 1 ventral (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j spinal » j spina (Expandir a Pesquisa), j spinar (Expandir a Pesquisa), 0 spinal (Expandir a Pesquisa)
ai bent » a bent (Expandir a Pesquisa), ai beni (Expandir a Pesquisa), ai best (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: (( ai bent nerve system dis ) or ((( j ventral nerve case dis ) or ( j spinal nerve system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ai bent nerve system dis ) OR ((( j ventral nerve case dis ) OR ( j spinal nerve system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ai bent nerve system dis ) or ((( j ventral nerve case dis ) or ( j spinal nerve system dis ))))*.