TY  - RPRT
TI  - Drug expiry dates, storage, and potency.
AU  - H V Hogerzeil
AU  - G J Walker
PY  - 1988
DO  - 10.1016/s0140-6736(88)90106-7
UR  - https://pubmed.ncbi.nlm.nih.gov/2903313/
ID  - 2903313
ER  -