Talvez deva tentar algumas variações de ortografia:
direct neural » direct neuronal (Expandir a Pesquisa), direct peroral (Expandir a Pesquisa), direct oral (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neeraj (Expandir a Pesquisa)
neural cest » neural crest (Expandir a Pesquisa), neural cost (Expandir a Pesquisa), neural rest (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
nerve cut » nerve cat (Expandir a Pesquisa), nerve cuff (Expandir a Pesquisa), nerve cyst (Expandir a Pesquisa)
2 direct » 2 directed (Expandir a Pesquisa), 2 directly (Expandir a Pesquisa)
cest due » cyst due (Expandir a Pesquisa), cost due (Expandir a Pesquisa), test due (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (Expandir a Pesquisa)
cut dis » cut disk (Expandir a Pesquisa), cut discs (Expandir a Pesquisa), cut dian (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (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: (( a cent nerve system dis ) or ((( j mehta nerve cut dis ) or ( 2 direct neural cest due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a cent nerve system dis ) OR ((( j mehta nerve cut dis ) OR ( 2 direct neural cest due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a cent nerve system dis ) or ((( j mehta nerve cut dis ) or ( 2 direct neural cest due ))))*.