Talvez deva tentar algumas variações de ortografia:
boyd developing » boy developing (Expandir a Pesquisa), bind developing (Expandir a Pesquisa), good developing (Expandir a Pesquisa)
developing type » developing novel (Expandir a Pesquisa)
level theory » legal theory (Expandir a Pesquisa), model theory (Expandir a Pesquisa), cell theory (Expandir a Pesquisa)
does liver » does life (Expandir a Pesquisa), does laser (Expandir a Pesquisa), drives liver (Expandir a Pesquisa)
liver ther » liver other (Expandir a Pesquisa), live rather (Expandir a Pesquisa), liver thle2 (Expandir a Pesquisa)
dose level » dose levels (Expandir a Pesquisa), noise level (Expandir a Pesquisa), dose live (Expandir a Pesquisa)
drug boyd » drug bound (Expandir a Pesquisa), drug blood (Expandir a Pesquisa), drug book (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 boyd developing type ) or ((( drug does liver ther ) or ( drug dose level theory ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( drug boyd developing type ) OR ((( drug does liver ther ) OR ( drug dose level theory ))))*.