Talvez deva tentar algumas variações de ortografia:
nervous syste » nervous system (Expandir a Pesquisa), nervous systems (Expandir a Pesquisa), nervous system's (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), treat service (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
deml nerve » dermal nerve (Expandir a Pesquisa), cell nerve (Expandir a Pesquisa), dual nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
syste ai » system ais (Expandir a Pesquisa), system aix (Expandir a Pesquisa), syste _ (Expandir a Pesquisa)
j treat » j threat (Expandir a Pesquisa), a treat (Expandir a Pesquisa), j trent (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (Expandir a Pesquisa)
j deml » j dell (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 treat nerve case di ) or ((( j deml nerve system dis ) or ( a central nervous syste ai ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j treat nerve case di ) OR ((( j deml nerve system dis ) OR ( a central nervous syste ai )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j treat nerve case di ) or ((( j deml nerve system dis ) or ( a central nervous syste ai ))))*.