Talvez deva tentar algumas variações de ortografia:
diabetes compared » diabetes care (Expandir a Pesquisa)
norway comparison » airway comparison (Expandir a Pesquisa), way comparison (Expandir a Pesquisa), germany comparison (Expandir a Pesquisa)
comparison laws » comparison bats (Expandir a Pesquisa), comparison land (Expandir a Pesquisa), comparison les (Expandir a Pesquisa)
j diabetes » 2 diabetes (Expandir a Pesquisa), _ diabetes (Expandir a Pesquisa), 1 diabetes (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
nat clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
laws now » laws how (Expandir a Pesquisa), laws new (Expandir a Pesquisa), laws do (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
2 nat » 2 nat2 (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), 2 nap (Expandir a Pesquisa)
a non » _ non (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: (( 2 nat clamp a non ) or ((( _ norway comparison laws now ) or ( j diabetes compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat clamp a non ) OR ((( _ norway comparison laws now ) OR ( j diabetes compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat clamp a non ) or ((( _ norway comparison laws now ) or ( j diabetes compared a new ))))*.