▁in ▁ 1 9 1 3 , ▁then ▁deep ened ▁to ▁ ▁in ▁ 1 9 3 7 . ▁ ▁References ▁ ▁Category : Build ings ▁and ▁structures ▁in ▁B ism ar ck , ▁North ▁Dak ota ▁Category : C our th ouses ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁North ▁Dak ota ▁Category : Form er ▁federal ▁cour th ouses ▁in ▁the ▁United ▁States ▁Category : G overn ment ▁buildings ▁completed ▁in ▁ 1 9 1 3 ▁Category : Post ▁office ▁buildings ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁North ▁Dak ota ▁Category : R ena issance ▁Rev ival ▁architecture ▁in ▁North ▁Dak ota ▁Category : 1 9 1 3 ▁establish ments ▁in ▁North ▁Dak ota ▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁B ism ar ck , ▁North ▁Dak ota <0x0A> </s> ▁Tri als ▁is ▁an ▁open ▁access ▁peer - review ed ▁medical ▁journal ▁covering ▁performance ▁and ▁out comes ▁of ▁random ized ▁controlled ▁tri als . ▁The ▁journal ▁is ▁published ▁by ▁Bio Med ▁Central ; ▁the ▁edit ors - in - ch ief ▁are ▁Jer emy ▁Gr im sh aw ▁( O tt awa ▁Health ▁Research ▁Institute ), ▁Peter ▁J ü ni ▁( Univers ity ▁of ▁Toronto ), ▁T ian j ing ▁Li ▁( J oh ns ▁Hop kins ▁Blo om berg ▁School ▁of ▁Public ▁Health ), ▁and ▁Sh a un ▁Tre week ▁( Univers ity ▁of ▁Aber de en ). ▁It ▁also ▁publish es ▁study ▁protocol s . ▁ ▁Abstract ing ▁and ▁indexing ▁ ▁The ▁journal ▁is