Talvez deva tentar algumas variações de ortografia:
nacl impaired » al impaired (Expandir a Pesquisa), early impaired (Expandir a Pesquisa), focal impaired (Expandir a Pesquisa)
impaired ran » impaired rat (Expandir a Pesquisa), impaired rats (Expandir a Pesquisa), impaired pain (Expandir a Pesquisa)
nay clamp » rnap clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
ran ngoc » tran ngoc (Expandir a Pesquisa), van ngoc (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a naci (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (Expandir a Pesquisa)
a now » a nowe (Expandir a Pesquisa), a new (Expandir a Pesquisa), _ now (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
y amp » _ amp (Expandir a Pesquisa), 5 amp (Expandir a Pesquisa), r amp (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: (( a nacl impaired ran ngoc ) or ((( j nay clamp ((a now) or (a non)) ) or ( j y amp can now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a nacl impaired ran ngoc ) OR ((( j nay clamp ((a now) OR (a non)) ) OR ( j y amp can now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a nacl impaired ran ngoc ) or ((( j nay clamp ((a now) or (a non)) ) or ( j y amp can now ))))*.