Talvez deva tentar algumas variações de ortografia:
absent negative » absent native (Expandir a Pesquisa), absent negativity (Expandir a Pesquisa), patient negative (Expandir a Pesquisa)
negative system » negative systemic (Expandir a Pesquisa), negation system (Expandir a Pesquisa), negative stem (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
cano nerve » can nerve (Expandir a Pesquisa), canal nerve (Expandir a Pesquisa), cano chervel (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
_ absent » _ absence (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (Expandir a Pesquisa)
j cano » j canto (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 cano nerve cat due ) or ((( j renal nerve cat due ) or ( _ absent negative system dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j cano nerve cat due ) OR ((( j renal nerve cat due ) OR ( _ absent negative system dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j cano nerve cat due ) or ((( j renal nerve cat due ) or ( _ absent negative system dis ))))*.