TY - RPRT TI - Difficulties and developments in treating hypertension. AU - L T Bannan AU - D G Beevers AU - S H Jackson AU - N Wright PY - 1981 DO - 10.1136/bmj.282.6266.811 UR - https://pubmed.ncbi.nlm.nih.gov/6783181/ ID - 6783181 ER -