Shorter has several meanings:

Geriatric Depression Scale (GDS): Recent evidence and development of a shorter version.
Comparative validity of the sickness impact profile and shorter scales for functional assessment in low-back pain.
Two Shorter Forms of the CES-D Depression Symptoms Index
Shorter Survival in Advanced Human Immunodeficiency Virus Type 1 Infection Is More Closely Associated with T Lymphocyte Activation t...
Commentary Practical considerations to implement the shorter regimen to MDR-TB patients in China
Shorter treatment times reduce the impact of intra-fractional motion
A complex of mammalian Ufd1 and Npl4 links the AAA〢TPase, p97, to ubiquitin and nuclear transport pathways
Formation of monolayers by the coadsorption of thiols on gold: variation in the length of the alkyl chain
The CAG repeat within the androgen receptor gene and its relationship to prostate cancer.
Corticocortical inhibition in human motor cortex