1. Tests for linear trends in proportions and frequencies;Armitage;Biometrics.,1955
2. Admission of Hb S heterozygotes to a general hospital is relatively reduced in malarial areas;Colombo;J Med Genet.,1985
3. The sickle cell trait in relation to the training and assignment of duties in the armed forces: III. Hyposthenuria, hematuria, sudden death, rhabdomyolysis and acute tubular necrosis;Diggs;Aviat Space Environ Med.,1984
4. A mobile unit as an adjunct to a community outreach program of education, screening and counseling for sickle cell disease, nutritional anemia and hypertension;Duncan;J Nat Med Assoc.,1982