Guggenheim, JA; Allen, TJ; Plumb, A; Zhang, EZ; Rodriguez-Justo, M; Punwani, S; Beard, PC; (2015) Photoacoustic imaging of human lymph nodes with endogenous lipid and hemoglobin contrast. Journal of Biomedical Optics , 20 (5) 050504. 10.1117/1.JBO.20.5.050504. Green open access