Rahimova Rohatoy Boysoatovna, Turg’unboyeva Sevara shuhratjon qizi and Mamajonova Asalxon Nozimjon qizi 2023. ERIK BERN "TRANZAKT TAHLILI"NING TIBBIYOTDAGI AHAMIYATI . Scientific Impulse. 1, 8 (Apr. 2023), 848–851.