TY  - GEN
AU  - Gifford,G E
TI  - Medicine and natural history--crosscurrents in Philadelphia in the nineteenth century
SN  - 0010-1087
PY  - 1978///0517
KW  - Biology
KW  - history
KW  - Botany
KW  - History, 19th Century
KW  - Pennsylvania
N1  - Publication Type: Historical Article; Journal Article
ER  -