Talvez deva tentar algumas variações de ortografia:
mental reserve » central reserve (Expandir a Pesquisa), renal reserve (Expandir a Pesquisa), metal reserves (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
letter nerve » letter nurse (Expandir a Pesquisa), matter nerve (Expandir a Pesquisa), letter nervous (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cnan » nerve can (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j letter » bj letter (Expandir a Pesquisa), cj letter (Expandir a Pesquisa), j letters (Expandir a Pesquisa)
cnan dcs » can dcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), chan dcn (Expandir a Pesquisa)
ai crest » a crest (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), de crest (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve co (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
cn dis » en dis (Expandir a Pesquisa), nn dis (Expandir a Pesquisa), cent dis (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 letter nerve cnan dcs ) or ( ai crest nerve cn dis ))) or ( j mental reserve system data ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j letter nerve cnan dcs ) OR ( ai crest nerve cn dis ))) OR ( j mental reserve system data )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j letter nerve cnan dcs ) or ( ai crest nerve cn dis ))) or ( j mental reserve system data ))*.