Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
i recurrent » ii recurrent (Expandir a Pesquisa), iv recurrent (Expandir a Pesquisa), g recurrent (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve than » nervosa than (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
dual nerve » oral nerve (Expandir a Pesquisa), radial nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
than diet » than direct (Expandir a Pesquisa), than does (Expandir a Pesquisa), than deep (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
j dual » j duval (Expandir a Pesquisa), j duan (Expandir a Pesquisa), j dull (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i cent nerve than diet ) OR ( i recurrent nerve system dis ))) OR ( j dual nerve case di ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cent nerve than diet ) or ( i recurrent nerve system dis ))) or ( j dual nerve case di ))*.