Talvez deva tentar algumas variações de ortografia:
tool comorbid » novel comorbid (Expandir a Pesquisa), does comorbid (Expandir a Pesquisa), non comorbid (Expandir a Pesquisa)
comorbid case » comorbid asd (Expandir a Pesquisa), comorbid cad (Expandir a Pesquisa), comorbidity case (Expandir a Pesquisa)
salt company » holt company (Expandir a Pesquisa), salient company (Expandir a Pesquisa), ballet company (Expandir a Pesquisa)
can newly » a newly (Expandir a Pesquisa), can new (Expandir a Pesquisa), men newly (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
company a » company _ (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
l camp » cl camp (Expandir a Pesquisa), el camp (Expandir a Pesquisa), al camp (Expandir a Pesquisa)
j tool » j topol (Expandir a Pesquisa), j toole (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (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 l camp can newly ) or ( j tool comorbid case netw ))) or ( j salt company a netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j l camp can newly ) OR ( j tool comorbid case netw ))) OR ( j salt company a netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l camp can newly ) or ( j tool comorbid case netw ))) or ( j salt company a netw ))*.