NIH:10.1379/1466-1268(1997)002<0031:TMRTRS>2.3.CO;2
NIH:10.1379/1466-1268(1997)002<0104:POHSIH>2.3.CO;2
NIH:10.1379/1466-1268(1998)003<0100:ARBTTN>2.3.CO;2
NIH:10.1379/1466-1268(2002)007<0091:HNGRTI>2.0.CO;2