Talvez deva tentar algumas variações de ortografia:
innervated free » innervated rat (Expandir a Pesquisa), innervated brain (Expandir a Pesquisa)
ch innervated » ct innervated (Expandir a Pesquisa), _ innervated (Expandir a Pesquisa), re innervated (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
benzo nerve » bent nerve (Expandir a Pesquisa), benign nerve (Expandir a Pesquisa)
nerve cause » nerve caused (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve course (Expandir a Pesquisa)
cause disc » causes disk (Expandir a Pesquisa), cause des (Expandir a Pesquisa), cause di (Expandir a Pesquisa)
free disc » three disc (Expandir a Pesquisa), free diet (Expandir a Pesquisa), free dose (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i spinal » i spiral (Expandir a Pesquisa), iii spinal (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j benzo » j bento (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benton (Expandir a Pesquisa)
j ch » j c (Expandir a Pesquisa), j h (Expandir a Pesquisa), j th (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j ch innervated free disc ) OR ( i spinal nerve can dcs ))) OR ( j benzo nerve cause disc ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j ch innervated free disc ) OR ( i spinal nerve can dcs ))) OR ( j benzo nerve cause disc ))*.