Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
delta nerve » beta nerve (Expandir a Pesquisa), deltas served (Expandir a Pesquisa), deltoid nerve (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (Expandir a Pesquisa), j deluca (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), i cena (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: (((( i central nerve cyst dis ) or ( i cent nerve case di ))) or ( j delta nerve system due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i central nerve cyst dis ) OR ( i cent nerve case di ))) OR ( j delta nerve system due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i central nerve cyst dis ) or ( i cent nerve case di ))) or ( j delta nerve system due ))*.