US [C] UK [C] ----- among 1 amongst 0 analyzed 6 analysed 0 analyzes 0 analyses 2 anesthesia 1 anaesthesia 0 caliber 1 calibre 0 center 1 centre 0 characterized 1 characterised 0 fetal 2 foetal 0 hematoxylin 3 haematoxylin 0 hypothesized 1 hypothesised 0 jeopardized 2 jeopardised 0 normalization 1 normalisation 0 normalized 1 normalised 0 orthopedic 0 orthopaedic 1 orthopedics 1 orthopaedics 0 polarization 46 polarisation 0 practice 2 practise 0 program 1 programme 0 signaling 17 signalling 0 toward 0 towards 1 tumor 2 tumour 0 visualized 1 visualised 0 while 2 whilst 0 mineralization 3 mineralisation 0 mineralized 1 mineralised 0 -----