1. Subcutaneous fat thickness has been measured by three different techniques in forty-one
subjects. 2. Ultrasound provided the most accurate measurement in experienced hands. 3. …

Spleen blood-flow was measured in 17 patients with gross splenomegaly by a new and
atraumatic 133 xenon rebreathing technique. A mean value of 1·6 litres per minute was obtained…

The renogram in its standard form does not express the renal handling of Hippuran in its
simplest and most explicit form. The curve obtained, R (t), is a convolution of the input function …

A scintillation camera with digital data store has been used to assess renal function. Analysis
of the renogram by deconvolution, using an on-line digital computer, shows promise as a …

A serial study on 32 patients with bone metastases following cancer of the breast or prostate
was performed over three years. Up to ten sets of images (average of four) per patient were …

A clinical foetal electrocardiograph is described which produces diagnostically useful foetal
ECG's from abdominal electrodes only. The output is comparatively free from maternal ECG …

SPE@ IFlCPcTlvrrv-11MEIffEGRAL (CAtdt): A,, T where A@ is the specific activity of xenon
in the lung air at time t (mm), A0 is the specific activity of xenon in the spirometer (@ Ci/ml), …

Results We have grouped our findings under five descriptive head-Ings:(1) small radiological
tumour with absent lobar perfusion;(2) perfusion of contralateral lung unexpectedly reduced…

Male Wistar rats weighing 200— 350g were used in this study. They were anesthetized with
intraperitoneal pentobarbital, 50 mg/kg, and then placed under a gamma camera fitted with …

Lung perfusion was studied by isotope lung scanning in 100 patients with carcinoma of the
bronchus in whom surgical resection was being considered. The abnormalities observed …