Talvez deva tentar algumas variações de ortografia:
nacl impaired » al impaired (Expandir a Pesquisa), renal impaired (Expandir a Pesquisa), focal impaired (Expandir a Pesquisa)
impaired than » impaired th1 (Expandir a Pesquisa), impaired hand (Expandir a Pesquisa), impaired th17 (Expandir a Pesquisa)
than nhan » thanh nhan (Expandir a Pesquisa), tran nhan (Expandir a Pesquisa), than than (Expandir a Pesquisa)
nay clamp » dnan clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
gray camp » gray cast (Expandir a Pesquisa), gray amy (Expandir a Pesquisa), gray carl (Expandir a Pesquisa)
camp nca » camp ca (Expandir a Pesquisa), camp na (Expandir a Pesquisa), camp near (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
nca non » ca non (Expandir a Pesquisa), nca ion (Expandir a Pesquisa), brca non (Expandir a Pesquisa)
b nacl » b nacela (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (( b nacl impaired than nhan ) OR ((( j nay clamp a now ) OR ( j gray camp nca non ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( b nacl impaired than nhan ) OR ((( j nay clamp a now ) OR ( j gray camp nca non ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( b nacl impaired than nhan ) OR ((( j nay clamp a now ) OR ( j gray camp nca non ))))*.