Talvez deva tentar algumas variações de ortografia:
central neural » central nepal (Expandir a Pesquisa), central neurons (Expandir a Pesquisa)
neural cest » neural crest (Expandir a Pesquisa), neural cost (Expandir a Pesquisa), neural rest (Expandir a Pesquisa)
bentz nerve » bent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neeraj (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa)
nerve cat » nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
cest due » cyst due (Expandir a Pesquisa), cost due (Expandir a Pesquisa), test due (Expandir a Pesquisa)
l bentz » l benth (Expandir a Pesquisa), l bento (Expandir a Pesquisa), l benitez (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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: (((( 1hfj central neural cest due ) or ( l bentz nerve can dis ))) or ( a mehta nerve cat dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 1hfj central neural cest due ) OR ( l bentz nerve can dis ))) OR ( a mehta nerve cat dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 1hfj central neural cest due ) or ( l bentz nerve can dis ))) or ( a mehta nerve cat dis ))*.