anchor.diff:  					<div class="input-group-addon">
   						<i class="fa fa-calendar"></i>
   					</div>
  -					<%= text_field_tag :fecha_final, params[:fecha_final], :class => "form-control datepicker" %>
  +					<%= text_field_tag :fecha_final, params[:fecha_final], :class => "form-control datepicker", :readonly => true%>
   				</div>
   			</div>
   		</div>
  
positive.code: 			<div class="input-group-addon">
  				<i class="fa fa-calendar"></i>
  			</div>
  			<%= text_field_tag :fecha_final, params[:fecha_final], :class => "form-control datepicker", :required => true %>
  		</div>
  	</div>
  	<div class="col-md-2">
  
negative.code: 			<div class="input-group-addon">
  				<i class="fa fa-user"></i>
  			</div>
  			<%= text_field_tag :paciente, params[:paciente], :class => "form-control paciente-fisitria", :required => true, :placeholder => "Ingrese nombre del paciente" %>
  			<%= hidden_field_tag :paciente_id, params[:paciente_id], class: "paciente_as_id" %>
  		</div>
  	</div>
  