J N Thompson, A P Hemingway, G A McPherson, H C Rees, D J Allison, J Spencer et al
Thompson J N, Hemingway A P, McPherson G A, Rees H C, Allison D J, Spencer J et al.
Obscure gastrointestinal haemorrhage of small-bowel origin.
Br Med J (Clin Res Ed) 1984; 288 :1663
doi:10.1136/bmj.288.6431.1663