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)
natl clamp » tail clamp (Expandir a Pesquisa)
than nls » than npls (Expandir a Pesquisa), than non (Expandir a Pesquisa), than n (Expandir a Pesquisa)
gram cal » gram scale (Expandir a Pesquisa), gram oral (Expandir a Pesquisa), gram l (Expandir a Pesquisa)
cal coa » cal com (Expandir a Pesquisa), acyl coa (Expandir a Pesquisa), acil coa (Expandir a Pesquisa)
coa non » coa long (Expandir a Pesquisa), coa node (Expandir a Pesquisa)
j nacl » _ nacl (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j gram » j gray (Expandir a Pesquisa), j gran (Expandir a Pesquisa), j graf (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 nacl impaired than nls ) OR ((( j natl clamp _ noh ) OR ( j gram cal coa non ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nacl impaired than nls ) OR ((( j natl clamp _ noh ) OR ( j gram cal coa non ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nacl impaired than nls ) OR ((( j natl clamp _ noh ) OR ( j gram cal coa non ))))*.