Talvez deva tentar algumas variações de ortografia:
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
neural system » neural systems (Expandir a Pesquisa), neural stem (Expandir a Pesquisa), neuron system (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 cases » nerve case (Expandir a Pesquisa), nerve caused (Expandir a Pesquisa), nerve changes (Expandir a Pesquisa)
cases does » case does (Expandir a Pesquisa), cases dos (Expandir a Pesquisa), cases due (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j ventral » i ventral (Expandir a Pesquisa), ii ventral (Expandir a Pesquisa), j ventura (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
_ crest » _ create (Expandir a Pesquisa), _ credit (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 neural system di ) or ( _ crest nerve cases does ))) or ( j ventral nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central neural system di ) OR ( _ crest nerve cases does ))) OR ( j ventral nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central neural system di ) or ( _ crest nerve cases does ))) or ( j ventral nerve cat due ))*.