"mandatory presence" is a correct and usable phrase in written English.
You can use it to express that someone's attendance is required at an event. For example: "The company policy dictates that all employees must attend the quarterly meeting, so mandatory presence is expected."
But, judging by their mandatory presence at the University of Wherever, conquering one must be a job prerequisite.
"Beside the mandatory presence of a fire engine at each event, every driver would have to be at least 18 years old, possess a valid driver's license, and not drink.
Given its importance, and its mandatory presence in bioinformatics courses, there are not interactive computer tools designed to help students to understand the specific details of the DP algorithm.
One explanation for the mandatory presence of a free NH group could be that the mechanism does not proceed by direct sp C H insertion of the metal center but rather by dehydrogenation of the amine to the corresponding imine.
The histopathological lesions that characterise the UIP pattern are patchy areas of fibrosis (excessive collagen deposition), honeycomb changes, the mandatory presence of fibroblastic foci and, at the same time, the absence of any feature suggesting an alternative diagnosis [ 30].
Indeed, the decision to administer fluid must always be made individually on the basis of the mandatory presence of the three following situations: hemodynamic instability or signs of circulatory shock (or both), preload responsiveness (positive PLR test), and limited risks of fluid overload.
However, even if a bone biopsy is mandatory, the presence of extensive signal intensity changes around the lesion (Fig. 16) is more suggestive of LCH than Ewing's sarcoma.
The clinical usefulness of MIDAS and HIT-6 is however limited by the lack of questions related to other conditions, such as anxiety and mood disorders, that should be mandatory in the presence of pain.
Diagnostic imaging of the brain is recommended in patients with visceral metastases and mandatory in the presence neurological symptoms (supplementary material S4, available at Annals of Oncology online).
Recent studies demonstrated that ALND was not mandatory in the presence of micrometastases (Rayhanabad et al, 2010); therefore, the differentiation of micrometastases from macrometastases appears to be important.
UNICEF has to find a way to make this presence mandatory if necessary, to the need of parents to understand the importance of education of their children in these meetings, as well as monitor their children's progress.
