TY  - RPRT
TI  - The continuing carrier problem.
AU  - W W Bullock
AU  - E Möller
PY  - 1974
DO  - 10.1111/j.1600-065x.1974.tb01586.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4141522/
ID  - 4141522
ER  -