[ON THE DIAGNOSTIC VALUE OF BLACK'S REACTION].
D019411:Clinical Laboratory Techniques; D005756:Gastritis; D006176:Gynecology; D006801:Humans; D007753:Laboratories; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000175:diagnosis*; D010437:Peptic Ulcer
DIAGNOSIS, LABORATORY; GASTRITIS; GYNECOLOGY; NEOPLASM DIAGNOSIS; NEOPLASM METASTASIS; PEPTIC ULCER
O DIAGNOSTICHESKO I TSENNOSTI REAKTSII BL'EKA.