Гурженко, Ю. М., and В. В. Сорока. “Psychological Status of Human Gastric Ulcer and Duodenal Ulcer in the History of Suffering from Erectile Dysfunction”. Health of Man, no. 2(57), Apr. 2016, pp. 39-43, doi:10.30841/2307-5090.2(57).2016.82940.