00764nam a2200241Ia 4500 269284 OCoLC 20160527194014.0 950526s1999 pr a b 000 0 spa d PBR PBR OCLCQ PUXA 306.7 M688s2 Mock, Gloria. Local 137378 Sexualidad sus conceptos básicos Gloria Mock, Wilfred Martínez. 2. ed. San Juan, P.R. Editorial Cultural 1999. 272 p. ill. 23 cm. Includes bibliographical references. Sex instruction Local 169069 Safe sex in AIDS prevention. Local 163745 Hygiene, Sexual Local 113617 Martínez, Wilfred. Local 132218 194389 194389 0 0 ddc 0 306_700000000000000_M688S2 0 abpr 225177 1 1 B 2016-05-27 Lib. Norte 19.95 383707 0 306.7 M688s2 60000003004675 2016-05-27 00:00:00 r:269284 23