Talvez deva tentar algumas variações de ortografia:
central nerven » central nerve (Expandir a Pesquisa), central nerves (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
nerven case » nerve case (Expandir a Pesquisa), seven case (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa)
cena nerve » renal nerve (Expandir a Pesquisa), beta nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
17 absent » _ absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa), eo absent (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
e cena » de cena (Expandir a Pesquisa), e cenas (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: (((( e cena nerve cyst dis ) OR ( i central nerven case dis ))) OR ( 17 absent nerve cyst dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( e cena nerve cyst dis ) OR ( i central nerven case dis ))) OR ( 17 absent nerve cyst dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e cena nerve cyst dis ) OR ( i central nerven case dis ))) OR ( 17 absent nerve cyst dis ))*.