Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
cancer needle » cancer needs (Expandir a Pesquisa), cancer need (Expandir a Pesquisa), laser needle (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
needle case » needle cast (Expandir a Pesquisa), needle came (Expandir a Pesquisa), needle based (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (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 central nerve cyst d ) or ( a cancer needle case dis ))) or ( j benign nerve cyst d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve cyst d ) OR ( a cancer needle case dis ))) OR ( j benign nerve cyst d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve cyst d ) or ( a cancer needle case dis ))) or ( j benign nerve cyst d ))*.