Stanchev, I. Genetico-mathematical analysis of the inheritace pattern of Peptic ulcer disease. Direct methods of Weinberg. Plovdiv: 1993 53-58,.
Stanchev, I. Genetico-mathematical analysis of the inheritace pattern of Peptic ulcer disease. Direct methods of Weinberg. Plovdiv: 1993 53-58,.
Stanchev, I. (1993) Genetico-mathematical analysis of the inheritace pattern of Peptic ulcer disease. Direct methods of Weinberg, Plovdiv: 53-58,.
Stanchev, I. (1993). Genetico-mathematical analysis of the inheritace pattern of Peptic ulcer disease. Direct methods of Weinberg. I. Method of probands and method of siblings. Plovdiv: 53-58.
Stanchev I. Genetico-mathematical analysis of the inheritace pattern of Peptic ulcer disease. Direct methods of Weinberg: I. Method of probands and method of siblings. Plovdiv: 1993. p. 53-58.