Talvez deva tentar algumas variações de ortografia:
crespo nerve » crest nerve (Expandir a Pesquisa), crespo hervas (Expandir a Pesquisa), crespo servan (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
retina nerve » retinal nerve (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neeraj (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
case diet » base diet (Expandir a Pesquisa), casein diet (Expandir a Pesquisa), case due (Expandir a Pesquisa)
j crespo » g crespo (Expandir a Pesquisa), m crespo (Expandir a Pesquisa)
j retina » j reina (Expandir a Pesquisa), j retana (Expandir a Pesquisa), j reino (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
k mehta » a mehta (Expandir a Pesquisa), _ mehta (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 crespo nerve system dis ) or ((( j retina nerve case diet ) or ( k mehta nerve cyst dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j crespo nerve system dis ) OR ((( j retina nerve case diet ) OR ( k mehta nerve cyst dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j crespo nerve system dis ) or ((( j retina nerve case diet ) or ( k mehta nerve cyst dis ))))*.