PT - JOURNAL ARTICLE AU - R. Blackburn TI - Families in Singapore. DP - 1971 Mar 01 TA - The Journal of the Royal College of General Practitioners PG - 168--182 VI - 21 IP - 104 4099 - http://bjgp.org/content/21/104/168.short 4100 - http://bjgp.org/content/21/104/168.full SO - J R Coll Gen Pract1971 Mar 01; 21