TY  - GEN
AU  - Laurence,D R
TI  - Medicines then and now
SN  - 0028-0836
PY  - 1981///1025
KW  - History of Medicine
KW  - History, 19th Century
KW  - History, 20th Century
KW  - Pharmaceutical Preparations
KW  - history
N1  - Publication Type: Historical Article; Journal Article
UR  - https://doi.org/10.1038/293013a0
ER  -