Talvez deva tentar algumas variações de ortografia:
cancer surveys » cancer survey (Expandir a Pesquisa), cancer surgery (Expandir a Pesquisa), cancer survivors (Expandir a Pesquisa)
surveys cyst » surveys cast (Expandir a Pesquisa), surveys case (Expandir a Pesquisa), surveys cross (Expandir a Pesquisa)
unal herve » unal merve (Expandir a Pesquisa), unal server (Expandir a Pesquisa), duval herve (Expandir a Pesquisa)
herve can » nerve can (Expandir a Pesquisa), merve can (Expandir a Pesquisa), herve canut (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can bddcs (Expandir a Pesquisa)
i unal » g unal (Expandir a Pesquisa), m unal (Expandir a Pesquisa), a unal (Expandir a Pesquisa)
j beta » j beth (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 cancer surveys cyst due ) or ( i unal herve can dcs ))) or ( j beta nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cancer surveys cyst due ) OR ( i unal herve can dcs ))) OR ( j beta nerve cat due ))*.