Talvez deva tentar algumas variações de ortografia:
ventral drive » central drive (Expandir a Pesquisa), central driver (Expandir a Pesquisa), central drivers (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
ii ventral » i ventral (Expandir a Pesquisa), _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa)
system das » systems das (Expandir a Pesquisa), system dacs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j spinal » 3 spinal (Expandir a Pesquisa), 2 spinal (Expandir a Pesquisa), 1 spinal (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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: (( ii ventral drive system das ) or ((( j bent nerve cyst due ) or ( j spinal nerve a dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ii ventral drive system das ) OR ((( j bent nerve cyst due ) OR ( j spinal nerve a dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ii ventral drive system das ) or ((( j bent nerve cyst due ) or ( j spinal nerve a dis ))))*.