TY  - RPRT
TI  - HBsAg in commercial control materials.
AU  - R E Wenk
AU  - S Yoho
PY  - 1977
DO  - 10.1093/ajcp/67.2.197
UR  - https://pubmed.ncbi.nlm.nih.gov/836627/
ID  - 836627
ER  -