"Decades Later, Condemnation for a Skid Row Cancer Study"
'Dr. Robert Aronowitz, an internist and medical historian who wrote the new papers, stumbled upon the Bowery study — which was led by Dr. Hudson, a urologist trained at Johns Hopkins, and paid for by the National Institutes of Health, among others — and was so troubled by it that he became consumed with documenting what had happened.
“Hudson used Bowery men because only desperate, poor, and unknowing men would participate,” Dr. Aronowitz wrote. “It was unimaginable that the average American man would volunteer.”'
LINK to the entire story
You can download a copy of the journal article (from the Bulletin of the History of Medicine) from Dr. Aronowitz's home page