51 neonates with rectal bleeding (RB) of unknown etiology were investigated with proctosigmoidoscopy; 44 had rectal biopsy (Bx). The mean birth wt was 3.0kg (1.1-5.0); age at Bx 17.3 (4-28) days. All ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results