медицинская радиология(корректный перевод, с учётом данной фразы: "In recent years, the study of heart sympathetic innervation using nuclear medicine techniques such as SPECT with metaiodoben-zylguanidine (MIBG) has led to observations that cardiac uptake can be reduced in the very early stages of PD, indicating early cardiac sympathetic denervation." Pustelga)
