'Salvarsan, Dr. Ehrlich's treatment for this disease, contained arsenic'
Syphilis
DRUGS: Salvarsan, Dr. Ehrlichs treatment for this disease, contained arsenic
Salvarsan, Dr. Ehrlich's treatment for this disease, contained arsenic
Salvarsan, Dr. Ehrlich's treatment for this disease, contained arsenic
DRUGS
Syphilis
DRUGS