"send invitation" is correct and usable in written English.
You can use it when inviting someone to an event or gathering. For example, you could say, "Please send your RSVP by Friday so I can send out the invitations."
The "Add Connections" feature has basically allowed LinkedIn to import your contacts from external email accounts and then send invitation to your entire address book.
To enroll participants in the clinical trial, we will send invitation letters to a random set of patients in the high and average/low GRS categories with a goal of enrolling approximately 110 participants in each category.
When a sampling frame had been constructed (258 patients), alternative sampling (every other person) was used to send invitation letters and patient information sheets were sent to half the people aged 60 74 years who had been diagnosed with an I/HRA in each month between April 2008 and April 2010 and included in the National Health Service Bowel Cancer Screening Programme (NHSBCSP).
For an average practice of 6000 7000 patients, it took approximately 12 h for a PCAF professional to utilise the search tools and perform a review of patient case notes, around 3 h for administrative staff to send invitation letters and contact patients by phone, and approximately 4 h for a physician (supported by a PCAF professional) to deliver the anticoagulation assessment clinic.
But, this is not a sufficient amount, if you send invitation to 500 people then only 1-2 will join your group.
Click the "Send Invitation" button and an invite will go to your friends asking them to become a fan of your page.
The user can then easily click on each name and send invitations to them to join on Google Talk.
When should we send invitations and what do they need to include?
We send invitations to all of the girl-focused organizations.
Not the tasks you manage -- like create invitations, send invitations, tally RSVPs.
They agreed to send invitations to a list of eligible patients.
