PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - Sampling endocervical cells on cervical smears. DP - 1991 Aug 01 TA - British Journal of General Practice PG - 346--347 VI - 41 IP - 349 4099 - http://bjgp.org/content/41/349/346.4.short 4100 - http://bjgp.org/content/41/349/346.4.full SO - Br J Gen Pract1991 Aug 01; 41