Sentence:  Dr. Torrent described the signs and symptoms of RP,[retinitis pigmentosa] surveyed the established research into causes of the disease, and summarized the failed attempts to develop a cure, including a barbaric method pioneered in the USSR involving the injection of <WSD>quacky</WSD> medicine directly into the patient's eyeball. 
Meaning of the word marked with <WSD> tags:  Fraudulent; characterised by or using the methods of quackery.