TY  - GEN
AU  - Modrzewski,T
AU  - Modrzewski,M
TI  - [The hourglass of Jan Ernest Scheffler, Ph. D., M.D]
SN  - 0043-5147
PY  - 1969///0424
KW  - History, 17th Century
KW  - Physical Examination
KW  - history
KW  - Poland
KW  - Pulse
N1  - Publication Type: Biography; Historical Article; Journal Article
ER  -