Talvez deva tentar algumas variações de ortografia:
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
retana nerve » retina nerve (Expandir a Pesquisa), retinal nerve (Expandir a Pesquisa), beta nerve (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
cena nerve » renal nerve (Expandir a Pesquisa), beta nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
psa nerve » a nerve (Expandir a Pesquisa)
nerve fat » nerve fatty (Expandir a Pesquisa), nerves fate (Expandir a Pesquisa), nerve flap (Expandir a Pesquisa)
j retana » j regan (Expandir a Pesquisa), j renata (Expandir a Pesquisa), j reina (Expandir a Pesquisa)
i cena » a cena (Expandir a Pesquisa), _ cena (Expandir a Pesquisa), e cena (Expandir a Pesquisa)
j psa » _ psa (Expandir a Pesquisa), a psa (Expandir a Pesquisa), j psi (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: (( i cena nerve system dias ) or ((( j psa nerve fat diet ) or ( j retana nerve fat diet ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i cena nerve system dias ) OR ((( j psa nerve fat diet ) OR ( j retana nerve fat diet )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i cena nerve system dias ) or ((( j psa nerve fat diet ) or ( j retana nerve fat diet ))))*.