Talvez deva tentar algumas variações de ortografia:
central neuron » central neurons (Expandir a Pesquisa), central neurones (Expandir a Pesquisa), central neuronal (Expandir a Pesquisa)
neuron system » neural systems (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
a ventral » a ventura (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (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: (((( j central neuron system der ) or ( i crest nerve cyst dis ))) or ( a ventral nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central neuron system der ) OR ( i crest nerve cyst dis ))) OR ( a ventral nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central neuron system der ) or ( i crest nerve cyst dis ))) or ( a ventral nerve cat due ))*.