TY  - BOOK
ED  - Puerto Rico.
ED  - Puerto Rico.
TI  - Report of the Commissioner of Health of Porto Rico
PY  - 0000///19-
CY  - Washington, D.C., [San Juan, P.R.
PB  - Government Printing Office, Service Office of the Goverment of Puerto Rico, Printing Division]
KW  - Public health
KW  - Puerto Rico
KW  - Statistics, Vital
KW  - Local
N1  - Title varies slightly; Imprint varies: 192?-1947 issued in San Juan by the Commissioner
ER  -