Dr. Sol Alvarez was elected President of the Society. He initiated the holding of bi-annual postgraduate courses to promote gastroenterology to all medical practitioners. The first post-graduate was conducted in Baguio City in December, 1973.

In addition, he established the “Gastrointestinal Corner”, a permanent feature in Pulse Philippines, a monthly publication of Winthro-Stearns. He also launched the PSG Newsletter as well as worked for the affiliation of the society with the Philippine Medical Association.

When the Matial law ban was relaxed, Dr. Alvarez, Dr. Ronaldo Asuncion. Dr. Victoriano Lim, and Dr. JY Perez attended the first Asia Pacific Congress of Endoscopy in Kyoto, Japan. Dr. Crisostomo Arcilla represented the PSG in Sydney, Australia and presented his paper on Operative Cholangiography
Then President Ferdinand Marcos was the keynote speaker. It was also during this time that the Agustin Liboro Memorial Lecture was launched.