Talvez deva tentar algumas variações de ortografia:
current cancer » recurrent cancer (Expandir a Pesquisa), current concerns (Expandir a Pesquisa), current concept (Expandir a Pesquisa)
cancer cyst » cancer cystic (Expandir a Pesquisa), cancer casts (Expandir a Pesquisa), cancer case (Expandir a Pesquisa)
narvaez use » narvaez jose (Expandir a Pesquisa), narvaez e (Expandir a Pesquisa), narvaez luis (Expandir a Pesquisa)
cancer can » cancer care (Expandir a Pesquisa), cancer case (Expandir a Pesquisa), cancer cases (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
use dos » use does (Expandir a Pesquisa), use dose (Expandir a Pesquisa), use do (Expandir a Pesquisa)
can de » can do (Expandir a Pesquisa), can diet (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 current cancer can de ) or ( i current cancer cyst dis ))) or ( j benito narvaez use dos ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j current cancer can de ) OR ( i current cancer cyst dis ))) OR ( j benito narvaez use dos ))*.