Talvez deva tentar algumas variações de ortografia:
threat nerve » treat nerve (Expandir a Pesquisa), threat never (Expandir a Pesquisa), three nerve (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
beat nerve » bent nerve (Expandir a Pesquisa), treat nerve (Expandir a Pesquisa), heart nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), 2 center (Expandir a Pesquisa), 19 center (Expandir a Pesquisa)
j threat » _ threat (Expandir a Pesquisa), a threat (Expandir a Pesquisa), 2 threat (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa), cyst dna (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case did (Expandir a Pesquisa), case di (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
j beat » j beaty (Expandir a Pesquisa), j bean (Expandir a Pesquisa), j bear (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 center nerve cat dis ) or ( j threat nerve cyst dis ))) or ( j beat nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j center nerve cat dis ) OR ( j threat nerve cyst dis ))) OR ( j beat nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nerve cat dis ) or ( j threat nerve cyst dis ))) or ( j beat nerve case dis ))*.