[On a possible method of aid in the early diagnosis of gastric and esophageal carcinoma].
D002277:Carcinoma; D042241:Early Diagnosis; D004938:Esophageal Neoplasms; D006801:Humans; D012463:Saliva / Q000737:chemistry*; D013274:Stomach Neoplasms / Q000175:diagnosis*; D013861:Thiocyanates
D013861:Thiocyanates
ESOPHAGUS/neoplasms; SALIVA/chemistry; STOMACH NEOPLASMS/diagnosis; THIOCYANATES