The phrase "authors recommended that" is correct and usable in written English.
It can be used when discussing suggestions or advice given by authors in academic or research contexts.
Example: "In their study, the authors recommended that further research be conducted to explore the long-term effects of the treatment."
Alternatives: "the authors suggested that" or "the authors advised that".
Both authors recommended that Avandia be withdrawn.
The Lancet authors recommended that women who are still pregnant after 41 weeks undergo induced labor.
The authors recommended that if the pilot program were ever expanded, the card should be as low-cost as possible.
To attack such disparities, the authors recommended that doctors and other members of the health care system learn more about minority communities and that patients receive better education about diabetes and how and why it must be controlled.
In terms of treatment, the authors recommended that patients with pulmonary hypertension first be aggressively treated for their sickle-cell disease to keep it under control and reduce the amount of free hemoglobin.
In a report in the journal Nutrition last month, the authors recommended that older people be encouraged to increase the variety of foods they eat, especially nutrient-rich fruits, vegetables and whole grains, and to take daily nutritional supplements.
Authors recommended that an assessment of body habitus in children > 25 kg should be considered.
The authors recommended that "In mass survey work … all films be read independently by at least two interpreters".
In both cases, the authors recommended that empirical research on LV methodology is needed rather than expert-based guidelines.
These authors recommended that one should be extremely careful in comparing results from different studies when using different PVC methods.
In addition, the authors recommended that upto-date full-scale data should be available to verify the accuracy of the models (Sah et al. 2012).
