Talvez deva tentar algumas variações de ortografia:
afferent nervous » afferent nerves (Expandir a Pesquisa), afferent neurons (Expandir a Pesquisa), afferent nerve (Expandir a Pesquisa)
benzo nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
i afferent » ia afferent (Expandir a Pesquisa), ii afferent (Expandir a Pesquisa), i afferents (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
nerve age » nerve agent (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve area (Expandir a Pesquisa)
age disc » aged disc (Expandir a Pesquisa), large disc (Expandir a Pesquisa), age discus (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j benzo » j bento (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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: (((( i cent nerve a diet ) OR ( i afferent nervous system dis ))) OR ( j benzo nerve age disc ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i cent nerve a diet ) or ( i afferent nervous system dis ))) or ( j benzo nerve age disc ))*.