The American Medical. Association AMA sought to alert the general public to the dangers of quacks and spurious patent medicines by initiating wide-reaching health campaigns, and pushed for tighter credentialing standards to weed out undertrained physicians and shady medical schools. Your outpatient waiting rooms and work rooms are distinctly overcrowded The atmosphere…becomes excessively foul in a very few minutes because of the class of patients and the large numbers drawn from such a class.