Talvez deva tentar algumas variações de ortografia:
cancer surveys » cancer surgery (Expandir a Pesquisa), cancer survivors (Expandir a Pesquisa), cancer surgeries (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current service (Expandir a Pesquisa), current survey (Expandir a Pesquisa)
surveys cyst » surveys cast (Expandir a Pesquisa), surveys case (Expandir a Pesquisa), surveys count (Expandir a Pesquisa)
real nerve » renal nerve (Expandir a Pesquisa), rectal nerve (Expandir a Pesquisa), reveal nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
j real » j read (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 cancer surveys cyst due ) OR ( 2 current nerve cat dis ))) OR ( j real nerve cyst due ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer surveys cyst due ) or ( 2 current nerve cat dis ))) or ( j real nerve cyst due ))*.