Serological evidence of presence of HBsAg undetectable by conventional radioimmunoassay in anti-HBc positive blood donors.

Por Katchaki, J N, Siem, T H, Brouwer, R
Publicado em 1978

Post-transfusion non-A, non-B hepatitis in the Netherlands.

Por Katchaki, J N, Siem, T H, Brouwer, R, van Loon, A M, van der Logt, J T
Publicado em 1981