When the obvious is not so obvious.
Albert J
AJ
Aboulafia
D001859:Bone Neoplasms / Q000175:diagnosis*; D006801:Humans; D012516:Osteosarcoma / Q000175:diagnosis; D012509:Sarcoma / Q000175:diagnosis*; D012983:Soft Tissue Neoplasms / Q000175:diagnosis*