TY  - BOOK
AU  - Wernerfelt, Nils
AU  - Slusky, David
AU  - Zeckhauser, Richard 
ED  - National Bureau of Economic Research
TI  - Second trimester sunlight and asthma: Evidence from two independent studies 
T2  - NBER Working Paper
PY  - 2014///
CY  - Cambridge
PB  - NBER
KW  - NBERWP 20599
KW  - E13476.pdf
UR  - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2014/E13476.pdf
ER  -