Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
letter nurse » letter nursing (Expandir a Pesquisa), letter name (Expandir a Pesquisa)
nurse system » course system (Expandir a Pesquisa), pulse system (Expandir a Pesquisa), purpose system (Expandir a Pesquisa)
i recurrent » ii recurrent (Expandir a Pesquisa), _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
system due » system der (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j letter » bj letter (Expandir a Pesquisa), cj letter (Expandir a Pesquisa), j letters (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (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 letter nurse system due ) or ( i recurrent nerve case dis ))) or ( j benet nerve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j letter nurse system due ) OR ( i recurrent nerve case dis ))) OR ( j benet nerve cyst dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j letter nurse system due ) or ( i recurrent nerve case dis ))) or ( j benet nerve cyst dis ))*.