Fjellstedt، Erik؛ Harnevik، Lotta؛ Jeppsson، Jan-Olof؛ Tiselius، Hans-Göran؛ Söderkvist، Peter؛ Denneberg، Torsten (2003). "Urinary excretion of total cystine and the dibasic amino acids arginine, lysine and ornithine in relation to genetic findings in patients with cystinuria treated with sulfhydryl compounds". Urological Research. ج. 31 ع. 6: 417–25. DOI:10.1007/s00240-003-0366-6. PMID:14586528.
Fjellstedt، Erik؛ Harnevik، Lotta؛ Jeppsson، Jan-Olof؛ Tiselius، Hans-Göran؛ Söderkvist، Peter؛ Denneberg، Torsten (2003). "Urinary excretion of total cystine and the dibasic amino acids arginine, lysine and ornithine in relation to genetic findings in patients with cystinuria treated with sulfhydryl compounds". Urological Research. ج. 31 ع. 6: 417–25. DOI:10.1007/s00240-003-0366-6. PMID:14586528.