Talvez deva tentar algumas variações de ortografia:
central neuronal » central neurons (Expandir a Pesquisa), central neural (Expandir a Pesquisa), central neurones (Expandir a Pesquisa)
recurrent nerve » recurrent neural (Expandir a Pesquisa)
neuronal system » neuronal systems (Expandir a Pesquisa), neuron system (Expandir a Pesquisa), neural system (Expandir a Pesquisa)
j recurrent » _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
cyst e » cyst _ (Expandir a Pesquisa), cyst a (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: (( j recurrent nerve cyst e ) OR ( j central neuronal system dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j recurrent nerve cyst e ) or ( j central neuronal system dis ))*.