Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), absent native (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
nerve cas9 » nerve case (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa), nerve cause (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
l absent » _ absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa)
cas9 dis » cas9 dsbs (Expandir a Pesquisa), cas9 dna (Expandir a Pesquisa), cas9 do (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 cent nerve cyst dis ) OR ((( j central nerve cyst dis ) OR ( l absent nerve cas9 dis ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( i cent nerve cyst dis ) OR ((( j central nerve cyst dis ) OR ( l absent nerve cas9 dis ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i cent nerve cyst dis ) OR ((( j central nerve cyst dis ) OR ( l absent nerve cas9 dis ))))*.