TY - SER TI - British Medical Journal : Vol. 3 [5817 - 5830] July - September SN - 09598138 U1 - 616 PY - 1972/// CY - London PB - BMJ KW - MEDICAL SCIENCES KW - Medicine N1 - No. 5820 and 5821 missing UR - https://www.bmj.com/archive/print/1972 ER -