Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
center nurses » cancer nurses (Expandir a Pesquisa), mental nurses (Expandir a Pesquisa), fever nurses (Expandir a Pesquisa)
nurses system » nurse system (Expandir a Pesquisa), courses system (Expandir a Pesquisa), nursery system (Expandir a Pesquisa)
2 recurrent » _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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 center nurses system dis ) or ( 2 recurrent nerve cyst dis ))) or ( j bent nerve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a center nurses system dis ) OR ( 2 recurrent nerve cyst dis ))) OR ( j bent nerve cyst dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a center nurses system dis ) or ( 2 recurrent nerve cyst dis ))) or ( j bent nerve cyst dis ))*.