Talvez deva tentar algumas variações de ortografia:
preserved ratio » preserved rat (Expandir a Pesquisa), preserved native (Expandir a Pesquisa), preserved rabbit (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
i preserved » ii preserved (Expandir a Pesquisa), iv preserved (Expandir a Pesquisa), xi preserved (Expandir a Pesquisa)
ratio cat » ratio can (Expandir a Pesquisa), ratio car (Expandir a Pesquisa), ratio cut (Expandir a Pesquisa)
cat diet » cat diets (Expandir a Pesquisa), fat diet (Expandir a Pesquisa), eat diet (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa)
case de » case due (Expandir a Pesquisa), case d (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: (( _ host derived cat dis ) or ((( i preserved ratio cat diet ) or ( j mental nerve case de ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ host derived cat dis ) OR ((( i preserved ratio cat diet ) OR ( j mental nerve case de )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ host derived cat dis ) or ((( i preserved ratio cat diet ) or ( j mental nerve case de ))))*.