Lau, R K <br/><br/>
Trends in sexual behaviour in a cohort of homosexual men: a 7 year prospective study.  [electronic resource] 

 -  International journal of STD & AIDS   
 - 267-72 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0956-4624 
<br/><br/><label>Standard No.: </label>10.1177/095646249200300407  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Contraceptive Devices, Male--statistics & numerical data<br/>HIV Seropositivity--psychology<br/>Homosexuality<br/>Humans<br/>Male<br/>Middle Aged<br/>Prospective Studies<br/>Sexual Behavior<br/>Sexual Partners