Talvez deva tentar algumas variações de ortografia:
ventral drive » central drive (Expandir a Pesquisa), central driver (Expandir a Pesquisa), neutral drives (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
nerve cone » nerve tone (Expandir a Pesquisa), nerve cord (Expandir a Pesquisa), nerve can (Expandir a Pesquisa)
a ventral » a ventura (Expandir a Pesquisa)
cone dis » cone disk (Expandir a Pesquisa), cone das (Expandir a Pesquisa), cone davis (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (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: (((( a ventral drive system dcs ) or ( i current nerve cone dis ))) or ( j absent nerve case di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a ventral drive system dcs ) OR ( i current nerve cone dis ))) OR ( j absent nerve case di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a ventral drive system dcs ) or ( i current nerve cone dis ))) or ( j absent nerve case di ))*.