TY  - BOOK
AU  - Khan, Humayun.
AU  - Afridi, Salman.
TI  - A proposed of Real-time photoplethysmography by optical sensor using digital lock-in detection powered by solar system
PY  - 2014///
CY  - MUET, Jamshoro
PB  - Biomedical Engineering
KW  - Biomedical Engineering
N1  - Includes references
ER  -