22:35 duration 22 minutes 35 seconds
Off-Hand | 1 of 1 | 89076pst-arch
http://dlg.galileo.usg.edu/peabody/id:1989_89076_pst_1
58:48 duration 58 minutes 48 seconds
Dr. Michael Yabsley
The wild world of Guinea Worms: Research efforts to inform the international guinea worm eradication program = is there a new threat?