@article{doi:10.1001/jama.281.6.493, title = {STar material}, journal = {JAMA}, volume = {281}, number = {6}, pages = {493}, year = {1999}, doi = {10.1001/jama.281.6.493}, URL = { + http://dx.doi.org/10.1001/jama.281.6.493}, eprint = {/data/Journals/JAMA/4598/JPO80286.pdf} }