TY  - BOOK
AU  - 
AU  - Martínez,Wilfred
TI  - Sexualidad: sus conceptos básicos 
PY  - 1995///
CY  - San Juan, P.R.
PB  - Editorial Cultural
KW  - Sex instruction
KW  - Local
KW  - Safe sex in AIDS prevention
KW  - Hygiene, Sexual
N1  - Previous ed. published in 1986 as: Conceptos básicos de sexualidad humana, of which this is the Third ed; "Primera ed." Verso of t. p; Includes bibliographical references
ER  -