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(a) in vivo PAM monitoring of mouse LS174 T tumor angiogenesis. Scale bar: 1 mm. (b) Multi-parametric PAM images of a mouse brain with an intact skull. (i) depth-encoded skull and cortical vasculatures, (ii) total concentration of hemoglobin, (iii) oxygen saturation, (iv) blood flow. Scale bar: 0.5 mm. PAM, photoacoustic microscopy. Reproduced with permission from Ref. [87,112].
