According to his primary care physician, Dr. George C. Nichopoulos, Presley "felt that by getting from a doctor, he wasn't the common everyday junkie getting something off the street".
Menurut dokter pertolongan pertamanya, Dr. George C. Nichopoulos, Presley "merasa bahwa dengan memakai dari dokter, ia tak bisa berkegiatan setiap hari di jalan."