TY - JOUR T1 - Prevalence survey for chronic rheumatic heart disease and rheumatic fever in northern India. JF - British Heart Journal JO - Heart SP - 143 LP - 149 DO - 10.1136/hrt.34.2.143 VL - 34 IS - 2 AU - J N Berry Y1 - 1972/02/01 UR - http://heart.bmj.com/content/34/2/143.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -