Name	Last modified	Size	Description
	Parent Directory		-
	mammography20180212.dta	2018-02-12 11:07	2.0M
	public.txt	2018-02-12 00:44	890K
	public.zip	2018-02-12 01:25	316K

Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 Server at data.nber.org Port 443