TY  - BOOK
AU  - Mock,Gloria
AU  - Martínez,Wilfred
TI  - Sexualidad: sus conceptos básicos
PY  - 1999///
CY  - San Juan, P.R.
PB  - Editorial Cultural
KW  - Sex instruction
KW  - Local
KW  - Safe sex in AIDS prevention
KW  - Hygiene, Sexual
N1  - Includes bibliographical references
ER  -