Keywords: trolley diphtheria Format: Still image Extent: 1 photoprint. NLM Unique ID: 101443883 NLM Image ID: A016163 Permanent Link: resource.nlm.nih.gov/101443883 Format: Still image Extent: 1 photoprint. NLM Unique ID: 101443883 NLM Image ID: A016163 Permanent Link: resource.nlm.nih.gov/101443883 |