TY - GEN digital ID - 131085705 TI - Can higher cigarette taxes improve birth outcomes? AU - Evans, William N. AU - Ringel, Jeanne S. PY - 1997 PB - Cambridge, Mass. National Bureau of Economic Research DB - UniCat KW - Taxes KW - Hygiene. Public health. Protection KW - United States of America UR - https://www.unicat.be/uniCat?func=search&query=sysid:131085705 AB - ER -