The phrase "alternatively longer" is correct and usable in written English.
It can be used when presenting an option that is longer in duration or length compared to another option.
Example: "You can choose the standard version of the report, or, alternatively longer, the detailed analysis that includes additional data."
Alternatives: "or a longer option" or "or a more extended version".
Alternatively, longer mean reaction times may represent a compensatory strategy which may be characteristic of fallers compared to non-fallers.
Alternatively, longer telomeres in the POF patient group may be the result of abnormal hormone exposure in these women.
Alternatively, longer fluctuations or environmental stress might lead to the evolution of evolvability by acting on features of the mutation matrix.
Alternatively, longer-lived lipid peroxidation intermediates may transmit the -induced signals from the mitochondria to cytosolic and/or membrane-bound PTP1B/PTEN.
We also have web page (http://cs.uef.fi/sipu/clusterator/) where anyone can upload data in text format and obtain quick clustering result in a 5 s, or alternatively use longer 5 min option.
There are also video lecture (youtube), presentation material (ppt), flash animation (animator) and web page (Clusterator) where anyone can upload data in text format and obtain quick clustering result in just a 5 s, or alternatively, use longer 5 min option for higher quality.
Alternatively, a longer delay might be indicative of a biochemical signal mediated mechanism.
36 38 Alternatively, a longer remission state may be necessary prior to stopping biological therapy.
Alternatively, a longer duration of tumor growth may have been required to produce significant soleus atrophy.
Alternatively, a longer follow-up time might have revealed a slower progression or even progression after the first year.
Alternatively, the longer slow ramp stimulus, which would impart greater heat energy, may account for the increased numbers of Fos-positive neurones compared with those activated by fast heat ramps.
