Talvez deva tentar algumas variações de ortografia:
survey caused » surgery caused (Expandir a Pesquisa), survey based (Expandir a Pesquisa), survey used (Expandir a Pesquisa)
benigno nerve » benign nerve (Expandir a Pesquisa), benigno leyva (Expandir a Pesquisa), benign nevi (Expandir a Pesquisa)
delta survey » data survey (Expandir a Pesquisa), del survey (Expandir a Pesquisa), meta survey (Expandir a Pesquisa)
nerve cake » nerve case (Expandir a Pesquisa), nerve cases (Expandir a Pesquisa), nerve cable (Expandir a Pesquisa)
cake diets » cane diets (Expandir a Pesquisa), made diets (Expandir a Pesquisa), cattle diets (Expandir a Pesquisa)
j benigno » a benigno (Expandir a Pesquisa), c benigno (Expandir a Pesquisa), _ benigno (Expandir a Pesquisa)
caused d » caused _ (Expandir a Pesquisa), caused a (Expandir a Pesquisa), caused dna (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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 benigno nerve cake diets ) or ( j delta survey caused d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j benigno nerve cake diets ) OR ( j delta survey caused d ))*.