app/views/treatment_entries/show.html.erb
<h1>TreatmentEntry#show</h1>
Treatment date <%= @treatment_entry.date %><br/>
Treatment: <%= @treatment_entry.treatment %><br/>
Notes: <%= @treatment_entry.notes %><br/>
<%= link_to "Edit", edit_treatment_entry_path(@treatment_entry.id) %><br/>
<%= link_to "Delete", treatment_entry_path(:id => @treatment_entry.id), :method => :delete, data: { confirm: 'Are you sure?' } %></br>