Talvez deva tentar algumas variações de ortografia:
reserve system » research system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
dental reserve » central reserve (Expandir a Pesquisa), renal reserve (Expandir a Pesquisa), dental research (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), rat ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j deal (Expandir a Pesquisa), j denham (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (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: (((( a crest nerve case dis ) or ( a ventral nerve case due ))) or ( j dental reserve system das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a crest nerve case dis ) OR ( a ventral nerve case due ))) OR ( j dental reserve system das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a crest nerve case dis ) or ( a ventral nerve case due ))) or ( j dental reserve system das ))*.