▁of ▁previous ▁and ▁up coming ▁challeng es ▁is ▁maintained ▁on ▁the ▁site . ▁ ▁Digital ▁object ▁ident ifiers ▁ ▁To ▁facil itate ▁data ▁sharing , ▁many ▁publications ▁encou rage ▁authors ▁to ▁include ▁data ▁cit ations ▁to ▁the ▁data ▁that ▁the ▁authors ▁used ▁in ▁creating ▁the ▁results ▁described ▁in ▁their ▁scholar ly ▁papers . ▁ ▁In ▁addition , ▁new ▁journ als ▁are ▁now ▁available ▁for ▁describing ▁data ▁collections ▁out right ▁( e . g ., ▁Nature ▁Scient ific ▁Data ). ▁T CI A ▁assign s ▁digital ▁object ▁ident ifiers ▁( DO Is ) ▁to ▁all ▁collections ▁when ▁they ▁are ▁submitted , ▁and ▁also ▁has ▁the ▁ability ▁to ▁create ▁persistent ▁ident ifiers ▁linked ▁to ▁subsets ▁of ▁data ▁held ▁within ▁T CI A ▁that ▁authors ▁may ▁use ▁for ▁data ▁cit ations ▁in ▁their ▁scholar ly ▁papers . ▁ ▁External ▁links ▁ ▁The ▁Can cer ▁Im aging ▁Archive ▁ ▁References ▁ ▁Category : Open - access ▁arch ives ▁Category : Med ical ▁databases ▁Category : Bi ological ▁databases ▁Category : Med ical ▁imag ing ▁Category : Im aging ▁Category : Image ▁processing ▁Category : Can cer ▁research ▁Category : On col ogy ▁Category : National ▁Instit utes ▁of ▁Health <0x0A> </s> ▁L un ar ▁Palace ▁ 1 , ▁Moon ▁Palace ▁ 1 ▁or ▁Yu eg ong - 1 ▁( Ch inese : ▁ 月 <0xE5> <0xAE> <0xAB> 1 号 ▁or ▁ 月 <0xE5> <0xAE> <0xAB> 1 ▁or ▁ 月 <0xE5> <0xAE> <0xAB> 一 号 ▁or ▁ 月 <0xE5> <0xAE> <0xAB> 一 ▁; ▁p iny in : ▁Yu