- Lightning1
- Medical aspects of war1
- Medical consultation1
- Medical procedures & techniques1
- Medical tools & equipment1
- Medicine, Military1
- Medicine, Rural1
- Memento mori1
- Midwives1
- Mortars & pestles1
- Nursing1
- Orthopedic traction1
- Owls1
- Peg legs1
- Pharmacists1
- Podiatry1
- Politics and government1
- Red Cross and Red Crescent1
- Retorts (Equipment)1
- Saws1