When is systematic review replication useful, and when is it wasteful?

I tiakina i:

Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua:	Sathya Karunananthan (Author), Vivian A. Welch (Author), Peter Tugwell (Author), Luis Gabriel Cuervo (Author)
Hōputu:	Pukapuka
I whakaputaina:	Pan American Health Organization, 2021-01-01T00:00:00Z.
Ngā marau:	article
Urunga tuihono:	Connect to this object online.
Ngā Tūtohu:	Tāpirihia he Tūtohu Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!

Ipurangi

Ngā taipitopito puringa mai i 3rd Floor Main Library
Tau karanga:	A1234.567
Tārua 1	Wātea