RT Journal Article SR Electronic T1 Haematological investigations of population samples in Jamaica. JF British Journal of Preventive & Social Medicine JO Br J Prev Soc Med FD BMJ Publishing Group Ltd SP 45 OP 55 DO 10.1136/jech.21.2.45 VO 21 IS 2 A1 W E Miall A1 P F Milner A1 H G Lovell A1 K L Standard YR 1967 UL http://jech.bmj.com/content/21/2/45.abstract AB