Talvez deva tentar algumas variações de ortografia:
research systems » research synthesis (Expandir a Pesquisa)
meta research » a research (Expandir a Pesquisa), dementia research (Expandir a Pesquisa), methods research (Expandir a Pesquisa)
terence van » terence han (Expandir a Pesquisa), terence tan (Expandir a Pesquisa), terence chan (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
systems das » systems adas (Expandir a Pesquisa), systems dss (Expandir a Pesquisa), systems dds (Expandir a Pesquisa)
van diest » van die (Expandir a Pesquisa)
j sanger » _ sanger (Expandir a Pesquisa), d sanger (Expandir a Pesquisa), j sander (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j meta » j mehta (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j meca (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 sanger terence van diest ) or ( i crest nerve a dis ))) or ( j meta research systems das ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j sanger terence van diest ) OR ( i crest nerve a dis ))) OR ( j meta research systems das )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j sanger terence van diest ) or ( i crest nerve a dis ))) or ( j meta research systems das ))*.