McLaren, M J <br/><br/>
Epidemiology of rheumatic heart disease in black shcoolchildren of Soweto, Johannesburg.  [electronic resource] 

 -  British medical journal  Aug 1975 
 - 474-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Standard No.: </label>10.1136/bmj.3.5981.474  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Black or African American<br/>Age Factors<br/>Black People<br/>Child<br/>Child, Preschool<br/>Family Characteristics<br/>Female<br/>Heart Auscultation<br/>Humans<br/>Male<br/>Mitral Valve Insufficiency--epidemiology<br/>Pharynx--microbiology<br/>Rheumatic Heart Disease--diagnosis<br/>Sampling Studies<br/>Sex Factors<br/>Socioeconomic Factors<br/>South Africa<br/>Streptococcus--isolation & purification