Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
central herve » central nerve (Expandir a Pesquisa), central nerven (Expandir a Pesquisa), central nerves (Expandir a Pesquisa)
i recurrent » ii recurrent (Expandir a Pesquisa), c recurrent (Expandir a Pesquisa), nih recurrent (Expandir a Pesquisa)
benzo nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j benzo » j bento (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa)
can dig » can ding (Expandir a Pesquisa), can die (Expandir a Pesquisa), can diet (Expandir a Pesquisa)
a disc » a dish (Expandir a Pesquisa), a disk (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: (((( i recurrent nerve cyst due ) or ( j central herve a disc ))) or ( j benzo nerve can dig ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i recurrent nerve cyst due ) OR ( j central herve a disc ))) OR ( j benzo nerve can dig )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i recurrent nerve cyst due ) or ( j central herve a disc ))) or ( j benzo nerve can dig ))*.