TY  - GEN
AU  - Minetti,Alberto E
TI  - Physiology: efficiency of equine express postal systems
SN  - 1476-4687
PY  - 2004///0115
KW  - Animals
KW  - History, Ancient
KW  - History, Early Modern 1451-1600
KW  - History, Medieval
KW  - History, Modern 1601-
KW  - Horses
KW  - physiology
KW  - Physical Endurance
KW  - Physical Exertion
KW  - Postal Service
KW  - history
KW  - Running
N1  - Publication Type: Historical Article; Journal Article
UR  - https://doi.org/10.1038/426785a
ER  -