Talvez deva tentar algumas variações de ortografia:
novel tethered » novel tethering (Expandir a Pesquisa)
does develop » boys develop (Expandir a Pesquisa), loss develop (Expandir a Pesquisa), does developing (Expandir a Pesquisa)
develop them » develop type (Expandir a Pesquisa), develop age (Expandir a Pesquisa)
nurses level » nurses lived (Expandir a Pesquisa)
level theory » model theory (Expandir a Pesquisa), cell theory (Expandir a Pesquisa)
drug nurses » drug nurse (Expandir a Pesquisa), drug uses (Expandir a Pesquisa), during nurses (Expandir a Pesquisa)
dose novel » mouse novel (Expandir a Pesquisa), one novel (Expandir a Pesquisa), dose level (Expandir a Pesquisa)
drug does » drug doses (Expandir a Pesquisa), drugs does (Expandir a Pesquisa), drug de (Expandir a Pesquisa)
drug dose » drug dosage (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: (( drug does develop them ) or ((( drug nurses level theory ) or ( drug dose novel tethered ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( drug does develop them ) OR ((( drug nurses level theory ) OR ( drug dose novel tethered ))))*.