Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
2 ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa)
i absent » ii absent (Expandir a Pesquisa), _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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: (((( i cent nerve cyst due ) or ( i absent nerve a dis ))) or ( 2 ventral nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent nerve cyst due ) OR ( i absent nerve a dis ))) OR ( 2 ventral nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cent nerve cyst due ) or ( i absent nerve a dis ))) or ( 2 ventral nerve case dis ))*.