Authors: Hug, DH Hunter, JK Dunkerson, DD

Citation: Dh. Hug et al., Speculation on a role for photoimmunosuppression during space missions, J PHOTOCH B, 60(1), 2001, pp. 61-65

Authors: Hug, DH Hunter, JK Dunkerson, DD

Citation: Dh. Hug et al., Malnutrition, urocanic acid, and sun may interact to suppress immunity in sojourners to high altitude, AVIAT SP EN, 72(2), 2001, pp. 136-145

Authors: Hug, DH Dunkerson, DD Hunter, JK

Citation: Dh. Hug et al., The degradation of L-histidine and trans- and cis-urocanic acid by bacteria from skin and the role of bacterial cis-urocanic acid isomerase, J PHOTOCH B, 50(1), 1999, pp. 66-73