Silueta de Hat vector 11 months 2 Silueta de Doctor vector 12 months 0 Silueta de Magnifying glass vector about 1 year 2 Silueta de Hand bones vector about 1 year 1 Silueta de Stethoscope vector about 1 year 1 Silueta de Stethoscope vector about 1 year 2 Silueta de Microscope vector about 1 year 1